Full line catalog 2008 - MIDAS ProSound

Full line catalog 2008

F o u n d e d b y D r C h r i s t i a n H e i l i n 1 9 8 4 , L - A C O U S T I C S h a sr e v o l u t i o n i z e d t h e P r o A u d i o i n d u s t r y w i t h i t s l e g e n d a r yL i n e S o u r c e S y s t e m s .F o r t h e p a s t 2 d e c a d e s , L - A C O U S T I C S h a s d e v e l o p e d ar e p u t a t i o n f o r c r e a t i n g i n n o v a t i v e s o l u t i o n s t o t h e m o s td e m a n d i n g s o u n d r e i n f o r c e m e n t r e q u i r e m e n t s .C o m m i t m e n t t o t h e s c i e n t i f i c m e t h o d a n d p r o d u c t i n n o v a t i o nh a v e b e e n o u r p h i l o s o p h i e s f r o m t h e o u t s e t . B u t i n n o v a t i o nd o e s n ’ t s t o p w i t h t h e p r o d u c t i t s e l f : w i t h c o n t i n u e d v a l u ee n h a n c e m e n t s , w e o f f e r y o u e x c e p t i o n a l p r o d u c t d u r a b i l i t y .L - A C O U S T I C S i s m o r e t h a n a s o u n d s y s t e m m a n u f a c t u r e r , i ti s a f u l l s e r v i c e p a r t n e r d e d i c a t e d t o c u s t o m e r s u p p o r t .T h e B e s t S o u n d C o m e s F r o m O n e S o u r c e

Table of contentsReferences .........................................................................................................................................................................................................03WST SYSTEMS ............................................................................................................................................................................................04THE TECHNOLOGY ............................................................................................................................................................................................06V-DOSC® ...................................................... wavefront sculpture technology® ...........................................................................................08KUDO ......................................................... wavefront sculpture technology® ...........................................................................................10dV-DOSC .................................................. wavefront sculpture technology® ...........................................................................................12ARCS ............................................................. wavefront sculpture technology® ...........................................................................................14KIVA ............................................................... wavefront sculpture technology® ...........................................................................................18KILO ............................................................... wavefront sculpture technology® ...........................................................................................19COAXIAL SYSTEMS ............................................................................................................................................................................................208XT ................................................................. coaxial technology ...................................................................................................................2412XT ............................................................... coaxial technology ...................................................................................................................25115XTHiQ ...................................................... coaxial technology ...................................................................................................................26108P .............................................................. self-powered coaxial loudspeaker ..........................................................................................28112P .............................................................. self-powered coaxial loudspeaker ..........................................................................................29SUBWOOFERS & POWER AMPLIFIERS ...............................................................................................................................................................30Sub 15P ......................................................... self-powered subwoofer ...........................................................................................................32SB118 ............................................................. high power subwoofer ..............................................................................................................34SB28 ............................................................... high power subwoofer ..............................................................................................................36dV-SUB .......................................................... compact high power subwoofer ............................................................................................38LA4 & LA8 ..................................................... amplifi ed controllers ..................................................................................................................40LA48a ............................................................ 2-channel power amplifi er .......................................................................................................46ACCESSORIES ............................................................................................................................................................................................48TECHNICAL SPECIFICATIONS .............................................................................................................................................................................561

Referencesm a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sARTISTS - TOURS - EVENTS from to CountryAEROSMITH On-going 30/07/2007 EuropeBRYAN ADAMS On-going 15/08/2007 EuropeDOWNLOAD FESTIVAL 08/06/2007 10/06/2007 UKFOO FIGHTERS 21/08/2007 22/08/2007 UKGENESIS On-going 13/10/2007 Europe / North AmericaGEORGE EDWARDS 21/09/2007 23/09/2007 USAJOHN FOGERTY On-going 25/07/2007 Europe3KAISER CHIEFS 06/08/2007 08/08/2007 AustraliaKEANE On-going 21/07/2007 UKMARILYN MANSON On-going 20/12/2007 EuropeMUSE On-going 24/07/2007 WorldMY CHEMICAL ROMANCE TOUR On-going 17/11/2007 UKOXEGEN FESTIVAL 07/07/2007 09/07/2007 UKPOP IDOL IN GERMANY On-going 30/07/2007 GermanyRED HOT CHILI PEPPERS On-going 23/08/2007 EuropeT IN THE PARK FESTIVAL 06/07/2007 09/07/2007 UKTHE CHEMICAL BROTHERS 08/12/2007 15/12/2007 WorldWAR OF THE WORLDS 01/09/2007 30/09/2007 AustraliaZUCCHERO On-Going 22/09/2007 Europe

WST ® SYSTEMS4Robbie Williams concert, Paris

M o r e t h a n a l i n e a r r a y , W a v e f r o n t S c u l p t u r eT e c h n o l o g y ( W S T ) d e f i n e s t h e c o n d i t i o n s f o r t r u e l i n es o u r c e o p e r a t i o nB e f o r e W S T, a r r a y e d t r a p e z o i d a l e n c l o s u r e s w e r e c o m m o n l yu s e d . I n t e r f e r e n c e b e t w e e n a d j a c e n t e n c l o s u r e s c a u s e dl o b i n g a n d c a n c e l l a t i o n s , u n e v e n f r e q u e n c y r e s p o n s e , l i m i t e dH F p r o j e c t i o n . W S T ’ s c r i t e r i a a l l o w f o r p e r f e c t c o u p l i n ga n d l i n e s o u r c e i m p l e m e n t a t i o n . T h e p a t e n t e d L - A C O U S T I C SD O S C w a v e g u i d e i s t h e c o r e t e c h n o l o g y a l l o w i n g f o r t h ef u l f i l l m e n t o f W S T c r i t e r i a .5

THE TECHNOLOGY...W a v e f r o n t s c u l p t u r e t e c h n o l o g y ®6The first task of sound engineers and audio consultants is to design soundreinforcement systems for a predefined audience area. Performance expectationsin terms of clarity, coherence, sound pressure level (SPL) and coverageconsistency have progressively increased over the years while at the sametime the size of the audience has grown, inevitably leading to an increase inthe number of loudspeakers.In the past, conventional horn-loaded trapezoidal loudspeakers were typicallyassembled in fan-shaped arrays according to the nominal horizontal coverageangle of each enclosure in an attempt to reduce coverage overlap that causesdestructive interference. With this type of arrangement, the optimum clarityavailable in one direction could only be provided by the individual enclosurefacing in this direction. Attempts at «flattening the array» to achieve greaterthrow and higher SPLs resulted in severe interference in an uncontrolled way,affecting coverage, pattern control, intelligibility and overall sound quality.Even when arrayed according to specification (always an ‘’optimum’’ compromisesince the polar response of individual horns varies with frequency), thesound waves radiated by individual horn-loaded loudspeakers do not couplecoherently thus the conventional system approach is fundamentally flawed.Furthermore, the chaotic sound fields created by interfering sound sourceswaste acoustic energy, thus requiring more power than a single, coherentsource would in order to achieve the same SPL.As an illustration of this principle, imagine throwing some pebbles into a poolof water. If one pebble is thrown into the water, circular waves will expandconcentrically from the point where it entered. If a handful of pebbles arethrown into the water, we observe the equivalent of a chaotic wavefield. Ifwe throw in a single larger stone, having total size and weight equal to thehandful of pebbles, then we again see circular waves as for the case of thesingle pebble - only now with a much larger amplitude.A Single Sound Source From Many SpeakersThe initial specification for the Wavefront Sculpture Technology®(WST) research and development program was thedesign of a single acoustic source that is completely modularand adjustable while providing a totally coherent, predictablewavefield. In 1988, an early L-ACOUSTICS system called «Incremental»proved the project’s feasibility. Based on this experimentalconcept, Professor Marcel Urban and Dr. Christian Heilbegan theoretical research and presented their findings atthe 92nd AES Convention in Vienna in 1992 (Preprint #3269).The theory that was developed defines the acoustic couplingconditions for successfully arraying individual sound sources- including wavelength, the shape of each source, their surfaceareas and their relative separation.

V-DOSC ®wavefront sculpture technology®m a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m s8applicationsL-ACOUSTICS® V-DOSC® is the first full frequency linesource array based on the principles of Wavefront SculptureTechnology® (WST). At the heart of V-DOSC is theinternationally patented DOSC waveguide which permitsfulfilment of WST criteria at high frequencies, allowingelements to couple coherently and create a single, continuous,isophasic sound source. As a result, V-DOSC isa full-spectrum coherent system, whereas conventionalhorn and driver assemblies interfere throughout mostof their operating bandwidth. By creating a continuousradiating ribbon, V-DOSC functions as a line source arrayin comparison with other line arrays that do not satisfyWST criteria at high frequencies.A turnkey V-DOSC system consists of V-DOSC elements,dedicated rigging, SB218 subwoofers, dV-DOSC fill enclosures,digital signal processors with proprietary OEMfactory presets, V-DOSC amplifier racks and associatedloudspeaker plus signal distribution cabling. A proprietaryreturn snake system including panels and multicoreis also available.The 90 degree horizontal coverage and coplanar symmetryof V-DOSC provides excellent stereo imaging inleft-right configurations while WST flexibility allows thedesigner to cover virtually any room geometry. Welldefinedvertical and horizontal directivity allows accurateperformance prediction with easy-to-use software toolsand by using calibrated angle values, a V-DOSC array isphysically configured as a variable curvature line sourcearray to match vertical directivity to the audience. Theend result is predictable coverage, exceptionally evenfrequency response and SPL along with the eliminationof comb filtering, phasing and lobing problems associatedwith conventional arrays.As a full range 3-way system, V-DOSC can be used in corporate, classical or theatrical productions without subwoofers. Fortouring applications, the addition of SB218 subwoofers is recommended and V-DOSC is highly suited for sound reinforcementin theatre, arena, stadium or outdoor festival applications.V-DOSC has revolutionized the loudspeaker industry by providing the sound engineer with an effective and versatile soundreinforcement tool. All elements of the V-DOSC system have been selected for their quality and durability and there is astrong emphasis placed on complementary technical support and training.specificationsL-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performanceprediction and simulations. Some of these specifications will appear very conservative when compared with other manufacturer’s specifications.All measurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.Frequency ResponseFrequency responseUsable bandwidth50 - 18k Hz (±3 dB) (3WX HI preset)40 - 20k Hz (-10 dB)Sensitivity 1LF 100 dB SPL 40 - 200 HzMF 105 dB SPL 200 - 1.3kHzHF 108 dB SPL 1.3 - 18 kHzPower rating 2 Amplification Impedance(Long Term) (Recommended) (Nominal)LF 2 x 54 Vrms 2x 375 Wrms 2 x 1500 Wpeak 2x 750 W 2x 8 ΩMF 69 Vrms 600 Wrms 2400 Wpeak 1200 W 8 ΩHF 58 Vrms 200 Wrms 800 Wpeak 800 W 16 ΩNominal Directivity (-6dB) 3Horizontal symmetrical 90°Verticaldefined by the arraySystem Output 4 Continuous SPL Continuous SPL(flat array) (maximum curvature array)One enclosure 134 dB 134 dBTwo enclosures 140 dB 139 dB 5° vertical coverageFour enclosures 146 dB 143 dB 15° vertical coverageEnclosure• Width1300 mm 51.2 in• Height 434 mm 17.1 in• Depth 565 mm 22.2 in• Weight (net) 108 kg 238.1 lbs• Shipping weight 122 kg 269 lbs• Shipping dims 1340 x 480 x 600 mm• Connectors :52.8 x 18.9 x 23.6 in2x 8-pin CA-COM• Material : 15 mm, 30 mm Baltic birchplywood• Finish : Maroon-gray• Grill : Black epoxy perforated steel withacoustically-transparent foam• Rigging : Integrated flying hardware andhandlesAdditional Equipment• OEM factory presets for approved digitalprocessors• L-ACOUSTICS SB218 subwoofer• L-ACOUSTICS LA48a power amplifierActive 3 way enclosure(2 x 15’’ LF, 4 x 7’’ MF, 2 x 1.4’’ HF)WST based line source designPerfect coupling, predictable coverageAdjustable vertical directivity (up to 5°)Designed for high performance touringand fixed installationExcellent for medium and long throw applicationsThe unique attenuation properties of V-DOSC (3 dBreduction in SPL with doubling of distance) are obtainedthrough cylindrical wave generation plus proper focus ofthe system. Nearfield extension is an associated benefitthat helps maintain tonal balance with distance whileextending the critical distance in a given venue. This providesimproved fidelity and excellent intelligibility evenunder highly reverberant acoustic conditions.ComponentsLF2 x 15’’ weather-resistant loudspeaker (3’’ voice coil, bass-reflex loaded)MF4 x 7’’ weather-resistant loudspeaker (kevlar cone body, bass-reflex loaded)HF2 x 1.4’’ compression driver mounted on patented DOSC waveguide1 Sensitivity is the average SPL measured over the component’srated bandwidth2 Power rating displays the long term RMS power handlingcapacity using pink noise with a 6 dB crest factor over thecomponent’s rated bandwidth3 Directivity is averaged over the 1-10 kHz range4 System Output gives the unweighted SPL output of the systemreferenced to 1 m, including preset equalization and bandleveling adjustment as measured under freefield conditionsusing the 3W LO presetCoplanar symmetry (90° horizontal directivity)Ergonomic, fast, secure rigging systemOEM factory presets for approveddigital processors

architectspecificationsThe enclosure shall be an active, 3-way loudspeaker containingtwo direct radiating, bass reflex-loaded 15-inchlow frequency transducers, four bass reflex-loaded 7-inch midrange frequency transducers that are mountedin a V-shaped configuration and two 1.4’’ exit, titaniumdiaphragm compression drivers that are coupled to individual,vertically-aligned waveguides. As a full range system,the frequency response shall be 50 Hz to 18 kHz withless than ± 3 dB variation and the usable bandwidth shallbe 40 Hz to 20 kHz (-10 dB).The waveguide employed in the loudspeaker shall generatea flat, isophasic wavefront for the high frequencysection. When vertically arrayed, multiple loudspeakersshall function according to the principles of WavefrontSculpture Technology whereby the separation betweenacoustic centers of individual sound sources shall beless than the size of half the wavelength at the highestfrequency of their operating bandwidth or the sum ofthe individual areas of the isophasic radiating elementsshall be greater than 80 percent of the target radiatingarea. Components shall be configured in a coplanar symmetricarrangement and provide 90-degree horizontalcoverage (-6 dB points) independent of the number ofvertically arrayed elements.vertical column with variable angles between enclosuresup to a maximum of 5.5 degrees at 0.75 degree angularresolution.The loudspeaker shall be used with an approveddigital processor with OEM factory presets for active3-way or 4-way operation in conjunction with additionalsubwoofer enclosures.The loudspeaker system shall be the L-ACOUSTICSV-DOSC.The subwoofer system shall be the L-ACOUSTICS SB218.9Crossover points shall be 200 Hz between low and midrangesections and 1.3 kHz between midrange and highsections with 24 dB per octave Linkwitz- Riley characteristics.Long term power handling shall be 2 x 375 Wrms,600 Wrms and 200 Wrms for low, midrange and high sections,respectively. Low frequency transducers shall bepowered individually at a nominal 8-ohm impedance,midrange frequency transducers shall be connected inseries/parallel at a nominal 8-ohm impedance and highfrequency transducers shall be connected in series at anominal 16-ohm impedance. Connection to the loudspeakershall be made via two parallel 8-pin connectors.The enclosure shall have rectangular shape. Dimensionsshall be 130 cm (51.2-in) wide, 43.4 cm (17.1-in) high, 56.5cm (22.2-in) deep. Enclosure weight shall be 108 kg (238.1lbs). Cabinet construction shall consist of 15 mm (0.59-in), 30 mm (1.18-in) Baltic birch plywood with internalsteel bracing and joints that are sealed, screwed andrabbeted. The finish shall be maroon-gray, high-resilientpaint. The front of the enclosure shall be protected bya black epoxy-coated, 1.5 mm (0.06-in) thick steel grillethat is covered with 10 mm (0.4-in) thick acousticallytransparentopen cell foam.Loudspeaker enclosures shall be installed using a dedicatedrigging bumper and rigging accessories. The enclosureshall have two recessed flytrack sections mountedon both sides and two rear-mounted rigging componentsthat allow up to 16 enclosures to be assembled in aaccessoriesDOSCOVx2: 2 x protective covers for V-DOSC elementV-CABLE: 8 conductor loudspeaker cable: 7 m (DO7), 25 m (DO25) or 0.7 m (DO.7) lengthsBUMP2: Flying / stacking bumper including accessoriesBUMPDELTA: Used in conjunction with 2 rear motors to adjust the horizontal pan of a flown V-DOSC arrayBUMPxx: Angle straps (BUMP24=0.75°/5.5°, BUMP251=1.3°, BUMP25=2°, BUMP26=3°, BUMP27=4°)SPACxx: Spacer blocks for use with angle straps.(SPAC251=1.3°; SPAC25=2°; SPAC26=3°; SPAC27=4°; SPAC28 =5.5°)RK124a: Turnkey amplifier rack for 4 L-ACOUSTICS LA48a amplifiers. Includes PADO4a, power distribution panelRK122a: Turnkey amplifier rack for 2 L-ACOUSTICS LA48a amplifiers. Includes PADO2a, power distribution panelPADO4a: Amp panel for 4 amplifier per rack configurationsPADO2a: Amp panel for 2 amplifier per rack configurationsCO24: Control output panel for signal distribution from FOH drive rack (24 channels)MD24: Multi distro panel for signal distribution to amplifier racksCO6: Control distro panel for standalone applications (6 ch.)MC28100: 28 pair multiconductor snake for use with CO24, MD24 (100 m length)DOM2, DOM30: 6 pair signal modulation cable, 2 m length (DOM2) or 30 m length (DOM30)LINK-EXTEND: male/male adapter for use with DOM2, DOM30LINK-BREAKOUT: 6 pair breakout to male XLR (DOMM)LINK-BREAKOUT: 6 pair breakout to female XLR (DOMF)CHARIOT: Transport accessory for 2 x BUMP2 plus accessories, BUMPxx angle straps, 2 x SB218 rigging bars

KUDOwavefront sculpture technology®m a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sapplications10L-ACOUSTICS KUDO is primarily intended for endusers such as regional sound companies for touringor corporate applications and for high-performancepermanent installation in theatres, concert halls,houses of worship, sports facilities, clubs, congresscentres, hotel ballrooms, theme parks or arenas. Asa full range 3-way system, KUDO can be used forcorporate, classical or theatrical sound reinforcementwithout subwoofers due to its exceptional low endperformance. For touring applications, the additionof SB118 or SB218 subwoofers is recommended.A complete turnkey system is available consisting ofKUDO enclosures, dedicated rigging, SB118 or SB218subwoofers, OEM factory presets for approved digitalsignal processors, turnkey power amplifier racks andassociated loudspeaker plus signal distribution panellingand cables. All elements of the KUDO systemhave been selected for their quality and durabilityand there is a strong emphasis placed on complementarytechnical support and training.specificationsL-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performance predictionand simulations. Some of these specifications will appear very conservative when compared with other manufacturer’s specifications.All measurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.Frequency ResponseFrequency ResponseUsable bandwidth50 - 18k Hz (± 3 dB) (3WX preset)40 - 20k Hz (-10 dB)Sensitivity 1LF 96 dB SPL 50 - 300 HzMF 102 dB SPL 300 - 2kHzHF 115 dB SPL 2 - 18 kHzPower rating 2 Amplification Impedance(Long Term) (Recommended) (Nominal)LF 2x 60 Vrms 2x 450 Wrms 2x 1800 Wpeak 2x 900 W 2x 8 ΩMF 50 Vrms 315 Wrms 1250 Wpeak 625 W 8 ΩHF 24 Vrms 75 Wrms 300 Wpeak 300 W 8 ΩNominal Coverage (vertical WST line source) (-6dB) 3Horizontal symmetrical 50° or 110° (+0° -10°)asymmetrical 25°/55° or 55°/25°Vertical defined by the array 0°-10° inter-enclosure angles at 1° resolutionSystem Output 4 Continuous SPL Continuous SPL(flat array)(maximum curvature array)One enclosure 130 dB 130 dBTwo enclosures 136 dB 133 dB 20° vertical coverageFour enclosures 142 dB 135 dB 40° vertical coverageEnclosure• Width 876 mm 34.5’’• Height 356 mm 14’’• Depth 689 mm 27.1 in• Weight (net) 87 kg 191.4 lbs• Shipping Weight 90 kg 198 lbs• Shipping Dims390 x 730 x 920 mm15.35 x 28.74 x 36.22’’• Connectors: 2x Neutrik Speakon NL8• Material: 15 mm, 30 mm Baltic birchplywood• Finish: Maroon-gray• Grill: Black epoxy perforated steel withacoustically transparent, technicallyadvancedgrille cloth• Rigging: Integrated flying hardware andhandlesAdditional Equipment• OEM factory presets for approved digitalprocessors• L-ACOUSTICS SB118, SB218 subwoofers• L-ACOUSTICS LA24a or LA48a poweramplifierActive 3-way enclosure(2 x 12’’ LF, 4 x 5’’ MF, 2 x 1’’ HF)Vertical or horizontal WST-basedline source designAdjustable polar pattern(50° or 110°symmetric)(25°/55° or 55°/25° asymmetric)Vertical line source array(inter-enclosure angles up to 10°)with adjustable horizontal coverageComponentsLF2 x 12’’ weather-resistant loudspeakers (4» voice coil, bass-reflex loaded)MF4 x 5’’ weather-resistant loudspeakersHF2 x 1’’ compression drivers mounted on patented DOSC waveguide moduleModular horizontal line source array(10° per enclosure) with adjustablevertical coverage1 Sensitivity is the average SPL measured over the component’srated bandwidth (50° K-Louver setting)2 Power rating displays the long term RMS power handlingcapacity using pink noise with a 10 dB crest factor over thecomponent’s rated bandwidth3 Directivity is averaged over the 1-10 kHz range4 System Output gives the unweighted SPL output of the systemreferenced to 1 m, including preset equalization and bandleveling adjustment as measured under freefield conditionsusing the 3WX preset and 50° K-Louver settingDesigned for high performance fixedinstallation and touringErgonomic, captive rigging system

architectspecificationsThe enclosure shall be an active, 3-way loudspeakercontaining two direct radiating, bass reflex-loaded12’’ low frequency transducers, four 5’’ midrange frequencytransducers mounted in a V-shaped configurationand two 1’’ exit compression drivers coupledto individual waveguides. As a full range system,frequency response shall be 50 Hz to 18 kHz withless than ± 3 dB variation and the usable bandwidthshall be 40 Hz to 20 kHz (-10 dB).Individual waveguidesemployed in the loudspeaker shall generatea flat, isophasic wavefront for the high frequencysection. When arrayed horizontally or vertically,multiple loudspeakers shall function according tothe principles of Wavefront Sculpture Technologywhereby the separation between acoustic centers ofindividual sound sources shall be less than the size ofhalf the wavelength at the highest frequency of theiroperating bandwidth or the sum of the individualareas of the isophasic radiating elements shall begreater than 80% of the target radiating area andthe radiated wavefront of individual enclosures shallhave less than 5 mm variation with respect to a flatwavefront.Components shall be configured in a coplanar symmetricarrangement and provide modular coverageangles (-6 dB points) of 50° (symmetric); 110° (symmetric);25/55° (asymmetric); or 55/25° (asymmetric)independent of the number of arrayed elements.Crossover points shall be 300 Hz between low andmidrange sections and 2 kHz between midrangeand high sections with 24 dB per octave Linkwitz-Riley characteristics. Long term power handlingshall be 2 x 450 Wrms, 315 Wrms and 75 Wrms forlow, midrange and high sections, respectively. Lowfrequency transducers shall be powered individuallyat a nominal 8Ω impedance, midrange frequencytransducers shall be connected in series/parallel ata nominal 8Ω impedance and high frequency transducersshall be connected in parallel at a nominal 8Ωimpedance. Connection to the loudspeaker shall bemade via two parallel 8-pin Neutrik NL8 Speakonconnectors.The enclosure shall have a truncated trapezoidalshape with trapezoidal angles of 5° top and bottom.Dimensions shall be 87.6 cm (34.5’’) wide, 35.6 cm(14’’) high, 68.9 cm (27.1’’) deep and the enclosureweight shall be 87 kg (191.4 lbs). Cabinet constructionshall consist of 15 mm (0.59’’), 30 mm (1.18’’)Baltic birch plywood with internal steel bracing andjoints that are sealed, screwed and rabbeted. Thefinish shall be maroon-gray, high-resilient paint. Thefront of the enclosure shall be protected by a blackpowder-coated, 1.5 mm (0.06 in) thick steel grill thatis covered with acoustically-transparent, highlyresistant,technically-advanced grille cloth.Loudspeaker enclosures shall be installed verticallyor horizontally using dedicated riggingbumpers. The enclosure shall have a captiverigging system with two rotating arms mountedinternally on both sides that allow up to 21enclosures to be assembled in a vertical columnwith variable angles between enclosures up toa maximum of 10° at 1° angular resolution. Theloudspeaker shall be used with an approveddigital processor with OEM factory presets foractive 3-way or 4-way operation in conjunctionwith additional subwoofer enclosures.The loudspeaker system shall be the L-ACOUSTICSKUDO.The subwoofer system shall be the L-ACOUSTICSSB118 or SB218.on axis frequency responsebeamwidth (-6db)averaged frequency responsebeamwidth (-6db)accessoriesK-COVx2: 2x protective covers for KUDOenclosures (recommended for touring)K-PLA: Removable front dolly with castors(recommended for touring)K-BUMP: Rigging / stacking bumper for installingKUDO verticallyK-LIFT: Rigging bumper for installing KUDOhorizontallyPADO2K: Amplifier patch panel for 2xL-ACOUSTICS LA power amplifiersRK122K: Power amplifier rack including PADO2Kpanel, suitable for 2x L-ACOUSTICS LA amplifiers,(powers 3 KUDO enclosures)RK124K Power amplifier rack including 2x PADO2Kpanels, suitable for 4x L-ACOUSTICS LA amplifiers,(powers 6 KUDO enclosures)DOS.7 8 conductor loudspeaker cable,0.7 m length (Speakon NL8 connectors)DOS10 8 conductor loudspeaker cable,10 m length (Speakon NL8 connectors)DOS25 8 conductor loudspeaker cable,25 m length (Speakon NL8 connectors)DOSFILL Adapter cable, male barrel CA-COM8 toSpeakon NL8 (for use with DO7 or DO25 cables)CO6 Control Output panel for standalone amplifierrack configurationsDOM2 6 pair signal modulation cable, 2 m lengthDOM30 6 pair signal modulation cable,30 m lengthDOMP male/male adapter for use with DOM2,DOM30DOMM link breakout 6 pair breakout to male XLRDOMF link breakout 6 pair breakout to female XLR11

dV-DOSCwavefront sculpture technology®m a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sapplicationsL-ACOUSTICS® dV-DOSC provides the same performancebenefits as V-DOSC® and ARCS® in an extremelycompact format suitable for both fixed installation andtouring applications. The 120° horizontal coverage ofdV-DOSC combined with the power of Wavefront SculptureTechnology® in adapting vertical system directivityto match the audience area results in well-defined, predictablecoverage combined with exceptionally evenfrequency response and SPL.specifications12As a full-range, 2-way system, dV-DOSC can be used forspeech reinforcement in corporate applications or as avoice-only system for television and theatrical productions.The compact profile of dV-DOSC is ideal for installationswhere visually unobtrusive sound design is animportant issue.dV-DOSC is also well-suited to large-scale fixed installationssuch as single or multiple distributed arrays forstadium and arena sound reinforcement. For theseapplications, the generous 120° horizontal pattern combinedwith the seamless transition between short- tolong-throw zones obtained using Wavefront Sculptureprinciples allows the sound designer to achieve excellentintelligibility and cost-effective coverage even under difficult,highly reverberant acoustic conditions.When combined with subwoofers for extended bandwidthapplications, dV-DOSC can be used as a frontofhousesystem for small, medium and large venues. Forthese applications, the 120° horizontal coverage patternprovides excellent stereo imaging in the standard leftrightformat while the flexibility provided by WavefrontSculpture allows the sound designer to cover virtuallyany room geometry.For touring applications, dV-DOSC can be used as adownfill enclosure for flying underneath V-DOSC arraysor as a long-throw extension of the system when stackedon top of the V-DOSC flying bumper. Other applicationsinclude flown dV-DOSC arrays for center cluster or offstagefill and stacked configurations for front fill or stereoinfill. When operated in conjunction with subwoofers,dV-DOSC can also be used for stage monitoring applications.Given all these possibilities, that’s why the ”dV” indV-DOSC stands for ”Definitely Versatile”.L-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performance predictionand simulations. Some of these specifications will appear very conservative when compared with other manufacturer’s specifications. Allmeasurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.Frequency ResponseFrequency responseUsable bandwidth160 - 18k Hz (±3 dB) (2W 75HI preset)100 - 20k Hz (-10 dB)Sensitivity 1LF (2.83 Vrms @ 1m) 99 dB SPL 100 - 800 HzHF (2.83 Vrms @ 1m) 109 dB SPL 800 - 18k HzPower rating 2 Amplification Impedance(Long Term) (Recommended) (Nominal)LF 55 Vrms 380 Wrms 1520 Wpeak 760 W 8 ΩHF 23 Vrms 66 Wrms 260 Wpeak 260 W 8 ΩNominal Directivity (-6dB) 3Horizontal symmetrical 120°Verticaldefined by the arraySystem Output 4 Continuous SPL Continuous SPL(flat array) (maximum curvature array)One enclosure 127 dB 127 dB2 enclosures 133 dB 131 dB 15° vertical coverageFour enclosures 139 dB 135 dB 30° vertical coverageComponentsLF2 x 8” weather-resistant loudspeaker (2” voice coil)HF 1 x 1.4” neodymium compression driver mounted on custom DOSCwaveguide and acoustic lens1 Sensitivity is the average SPL measured over the component’srated bandwidth2 Power rating displays the long term RMS power handlingcapacity using pink noise with a 6 dB crest factor over thecomponent’s rated bandwidth3 Directivity is averaged over the 1-10 kHz range4 System Output gives the unweighted SPL output of the systemreferenced to 1 m, including preset equalization and bandleveling adjustment as measured under freefield conditionsusing the 2W 75LO presetEnclosure• Width 695 mm 27.4’’• Front height 257 mm 10.1’’• Rear height 171 mm 6.7’’• Depth 476 mm 18.7’’• Trap angle 2 x 3.75°• Shipping dims800 x 360 x 560 mm31.5 x 14.2 x 22’’• Weight (net) 31.8 kg 70.1 lbs• Shipping weight35 kg 77.2 lbs• Connectors: 2x 4-pin Neutrik speakon• Material: 15 mm, 24 mm Baltic birchplywood, aluminum top and bottomplates• Finish: Maroon-gray• Grill: Black epoxy perforated steel withacoustically-transparent foam• Rigging: Integrated flying hardware andhandlesAdditional Equipment• OEM factory digital processors• L-ACOUSTICS subwoofers• L-ACOUSTICS amplifierActive 2-way enclosure(2 x 8” LF, 1.4” HF)WST-based line source designPerfect coupling, predictable coverageAdjustable vertical directivity(up to 7.5°)Designed for high performancetouring and fixed installationExcellent for medium andlong throw applicationsCoplanar symmetry(120° horizontal directivity)Ergonomic, fast, secure rigging systemOEM factory presets for approveddigital processors

frequency responsefrequency responsearchitectspecificationsThe enclosure shall be an active, 2-way loudspeaker containing2 direct radiating, bass reflex-loaded 8’’ low frequencytransducers mounted in a V-shaped configuration and one1.4’’ exit, titanium diaphragm, neodymium compressiondriver that is coupled to a waveguide. As a full range system,the frequency response shall be 160 Hz to 18 kHz with lessthan ± 3 dB variation and the usable bandwidth shall be 100Hz to 20 kHz (-10 dB).The waveguide employed in the loudspeaker shall generatea flat, isophasic wavefront for the high frequency section.When vertically arrayed, multiple loudspeakers shallfunction according to the principles of Wavefront SculptureTechnology whereby the separation between acoustic centersof individual sound sources shall be less than the size ofhalf the wavelength at the highest frequency of their operatingbandwidth or the sum of the individual areas of theisophasic radiating elements shall be greater than 80 % ofthe target radiating area. Components shall be configuredin a coplanar symmetric arrangement and provide 120° horizontalcoverage (-6 dB points) independent of the numberof vertically arrayed elements.Crossover points shall be 800 Hz between low and high frequencysections with 24 dB per octave Linkwitz-Riley characteristics.Long term power handling shall be 380 Wrmsand 66 Wrms for low and high sections, respectively. Lowfrequency transducers shall be connected in parallel witha nominal 8 Ω impedance and the high frequency transducersshall have a nominal 8 Ω impedance. Connection tothe loudspeaker shall be made via 2 parallel 4-pin NeutrikSpeakon connectors.The loudspeaker system shall be the L-ACOUSTICSdV-DOSC.The subwoofer system shall be the L-ACOUSTICSdV-SUB or SB218.frequency responsedirectivity factor qbeamwidth (-6db)impedance13The enclosure shall have a trapezoidal shape. Dimensionsshall be 69.5 cm (27.4’’) wide, 25.7 cm (10.1’’) high at the front,17.1 cm (6.7’’) high at the rear, 47.6 cm (18.7’’) deep. Enclosureweight shall be 31.8 kg (70.1 lbs). Cabinet constructionshall consist of 15 mm (0.59’’) and 24 mm (0.94’’) Baltic birchplywood with 4 mm (0.16’’) thick top and bottom aluminumplates. The finish shall be maroon-gray, high-resilient paint.The front of the enclosure shall be protected by a blackepoxy-coated, 2 mm (0.08’’) thick steel grille that is coveredwith 10 mm (0.4’’) thick acoustically-transparent open cellfoam.Loudspeaker enclosures shall be installed using a dedicatedrigging bumper and accessories. The enclosure shall havean integral rigging system that allows arrays to be assembledwith variable angles between enclosures up to a maximumof 7.5°.The loudspeaker shall be used with an approved digitalprocessor with OEM factory presets for active 2-way or 3-way operation in conjunction with additional subwooferenclosures.accessoriesdV-PIN25: Locking quick release pin (25 mm grip length)for dV-DOSC enclosure interconnection and connection to dV-BUMPdV-PIN81: Locking quick release pin (81 mm grip length) for attaching dV-DOSC to dV-DOWNdV-ANGLEP: Rear angle bar for varying vertical angle between dV-DOSC enclosuresdV-ANGLEP1 values: 0, 2, 3.75, 5.5, 7.5°dV-ANGLEP2 values: 1, 3, 4.5, 6.5°dV-ANGLEN: Rear angle bar allowing for downwards tilt of stacked configurationsdV-BUMP: Flying bumper for standalone rigging or flying on top of V-DOSCdV-DOWN: Flying bars (2) for rigging dV-DOSC under V-DOSC for down-fill applicationsdV-FLIGHT: Flight case for 3 dV-DOSC

ARCS wave f r o n t s c u l p t u r e t e c h n o l o g y ®m a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sapplications14L-ACOUSTICS® ARCS® provides the same performance benefitsas V-DOSC® and dV-DOSC in a highly compact formatsuitable for both fixed installation and touring. By satisfyingWavefront Sculpture Technology® (WST) criteria, ARCS providesremarkable clarity and perfect coherence along withpowerful, smooth, predictable coverage.ARCS is designed for tightly-wrapped arraying in single ordouble row configurations or for horizontal arraying of up to4 enclosures. The internationally patented DOSC waveguidedesigned exclusively for ARCS radiates a wavefront that has aradius of curvature matching the enclosure’s 22.5° trapezoidalangle. When arrayed, the radiated constant curvaturewavefront is continuous with an arc’s shape with horizontaldirectivity equal to N x 22.5° (where N is the number of ARCS).Vertically, the exit of the DOSC waveguide is loaded by acylindrical waveguide that provides an asymmetrical coverageangle of +40° by -20°. Modular horizontal coverage, combinedwith 60° vertical directivity, makes ARCS highly suitedto the overall coverage and throw distance requirements fortypical medium-sized venues.As a full range, 2-way system ARCS can be used for front-ofhouse(FOH) sound reinforcement in corporate, television ortheatrical applications. Due to its optimum speech reproductionand small physical footprint, ARCS is also highly effectiveas a flown center cluster for theatrical installations. For largescalefixed installation, distributed arrays can be employedfor stadium and arena sound reinforcement. in these applications,ARCS can be installed either single or arrayed, verticallyor horizontally, and the precise, modular 22.5° horizontaldirectivity combined with the generous 60° vertical coverageallows for cost-effective coverage.For touring applications, as a complementary 2-way fillenclosure ARCS is ideal for sidefill monitoring due to its tight,well-defined directivity pattern. When used in conjunctionwith V-DOSC or dV-DOSC FOH systems, ARCS is highly suitablefor flown or stacked centre fill, stereo front fill, offstagefill or delay system applications.When combined with L-ACOUSTICS SB218 or dV-SUB subwoofers,ARCS delivers powerful, extended bandwidthreproduction with additional low frequency impact that isperfect for FOH use in medium-sized venues. For FOH applications,the modular horizontal directivity of ARCS allows forexcellent stereo imaging in the standard left-right formatwhile the flexibility provided by asymmetrical vertical coverageallows the sound designer to cover virtually any room geometry.For more demanding FOH applications, ARCS can be used in a double row configuration with top row cabinets oriented in the normalposition for up-fill and bottom row cabinets inverted for down-fill. When arrayed in this manner, all 15’’ loudspeakers satisfy WSTcriteria and couple over their entire operating bandwidth, providing maximum low frequency impact and throw due to enhanceddirectivity control at lower frequencies.ARCS - an ”Arrayable Radial Coherent System”.specificationsL-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performance predictionand simulation. Some of these specifications will appear very conservative when compared with other manufacturer’s specifications. Allmeasurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.Frequency ResponseFrequency responseUsable bandwidth63 - 18k Hz (±3 dB) (2W HI preset)50 - 20k Hz (-10 dB)Sensitivity 1LF (2.83 Vrms @ 1m) 98 dB SPL 63 - 800 HzHF(2.83 Vrms @ 1m) 109 dB SPL 800 - 18k HzPower rating 2 Amplification Impedance(Long Term) (Recommended) (Nominal)LF 54 Vrms 375 Wrms 1500 Wpeak 750 W 8 ΩHF 29 Vrms 100 Wrms 400 Wpeak 400 W 8 ΩNominal Directivity (-6dB) 3Horizontal symmetrical 22.5°Vertical asymmetrical 20° down 40° upSystem Output 4SPLOne enclosure 128 dB (cont) 134 dB (peak) 22.5° H x 60° V2 enclosures 133 dB (cont) 139 dB (peak) 45° H x 50° VFour enclosures 137 dB (cont) 143 dB (peak) 90° H x 50° VComponentsLF1 x 15” weatherproof loudspeaker (bass reflex-loaded, 3” voice coil)HF1 x 1.4” compression driver mounted on DOSC waveguide and lens1 Sensitivity is the average SPL measured over the component’srated bandwidth2 Power rating displays the long term RMS power handlingcapacity using pink noise with a 6 dB crest factor over thecomponent’s rated bandwidth3 Directivity is averaged over the 1-10 kHz range4 System Output gives the unweighted SPL output of the systemreferenced to 1 m, including preset equalization and bandleveling adjustment as measured under freefield conditionsusing the 2W LO presetEnclosure• Height 820 mm 32.3’’• Front width 440 mm 17.3’’• Rear width 190 mm 7.5’’• Depth 652 mm 25.7’’• Weight (net) 57 kg 125.7 lbs• Shipping weight 63 kg 138.9 lbs• Shipping dims860 x 480 x 730 mm33.9 x 18.9 x 28.7’’• Connectors: 2x 4-pin Neutrik speakon• Material: 15mm, 18 mm and 24 mmBaltic birch plywood• Finish: Maroon-gray• Grill: Black epoxy perforated steel withacoustically transparent foam• Rigging: Integrated flying hardware andhandlesAdditional Equipment• OEM factory presets available forapproved digital processors• L-ACOUSTICS SB218 or dV-SUBsubwoofers• L-ACOUSTICS LA24a or LA48a poweramplifierActive 2-way enclosure(15” LF, 1.4” HF)WST-based line source designPerfect coupling, predictable coverageExcellent for mediumthrow applicationsModular 22.5° horizontal directivityAsymmetrical verticaldirectivity (+40°/-20°)Designed for high performance touringand fixed installationEasy set-up - quick and securerigging systemOEM factory presets for approveddigital processors

frequency response: 1 ARCSfrequency response: 2 ARCSarchitectspecificationsThe enclosure shall be an active, 2-way loudspeakercontaining one direct radiating, bass reflex-loaded 15’’low frequency transducer and one 1.4’’ exit, titaniumdiaphragm compression driver that is coupled to a waveguidewhich is then loaded by a cylindrical horn that providesan asymmetrical vertical coverage angle of +40°,-20° (-6 dB points). As a full range system, the frequencyresponse shall be 63 Hz to 18 kHz with less than ± 3 dBvariation and the usable bandwidth shall be 50 Hz to20 kHz (-10 dB).The loudspeaker shall be used with an approved digitalprocessor with OEM factory presets for active 2-way or 3-way operation in conjunction with additional subwooferenclosures.The loudspeaker system shall be the L-ACOUSTICS ARCS.The subwoofer system shall be the L-ACOUSTICS dV-SUBor SB218.beamwidth (-6db): 1 ARCSbeamwidth (-6db): 2 ARCSThe waveguide employed in the loudspeaker shall generatea pre-curved, isophasic wavefront for the high frequencysection that provides 22.5° horizontal coverage(-6 dB points) and is matched to the trapezoidal angle ofthe enclosure. When arrayed horizontally or vertically,multiple loudspeakers shall function according to theprinciples of Wavefront Sculpture Technology wherebythe separation between acoustic centers of individualsound sources shall be less than the size of half the wavelengthat the highest frequency of their operating bandwidthor the sum of the individual areas of the isophasicradiating elements shall be greater than 80 percent ofthe target radiating area.directivity factor q: 1 ARCSdirectivity factor q: 2 ARCS15Crossover points shall be 800 Hz between low and highfrequency sections with 24 dB per octave Linkwitz-Rileycharacteristics. Long term power handling shall be 375Wrms and 100 Wrms for low and high sections, respectively.The low frequency transducer shall have a nominal8 Ω impedance and the high frequency transducershall have a nominal 8 Ω impedance. Connection to theloudspeaker shall be made via 2 parallel 4-pin NeutrikSpeakon connectors.The enclosure shall have a trapezoidal shape with a 22.5°angle terminated in an arc-shaped front baffle. Dimensionsshall be 44.0 cm (17.3’’) wide at the front, 19.0 cm(7.5’’) wide at the rear, 82.0 cm (32.3’’) high and 65.2 cm(25.7’’) deep. Enclosure weight shall be 57 kg (125.7 lbs).Cabinet construction shall consist of 15 mm (0.59’’),18 mm (0.71’’) and 24 mm (0.94’’) Baltic birch plywoodwith sealed internal bracing and joints that are sealed,screwed and rabbeted. The finish shall be maroon-gray,high-resilient paint. The front of the enclosure shall beprotected by a black epoxy-coated, 1.5 mm (0.06’’) thicksteel grille that is covered with 10 mm (0.4’’) thick acousticallytransparent open cell foam.The enclosure shall include internal and external hardwarefor rigging and shall be used in conjunction withdedicated rigging accessories including aluminum couplingbars for edge-to-edge arraying, a flying bumperand liftbar assembly for vertical arraying or a flying gridfor horizontal arraying.accessoriesARCOUPL: Pair of coupling bars for physical attachment of adjacent ARCS enclosuresBUMP3: Flying bumper for rigging an ARCS array. One BUMP3 is required to fly 2 or 4 cabinets.2 BUMP3 and one LIFTBAR are required to fly 1, 3, or more than 4 enclosures.LIFTBAR: Rigging bar for use with 2 x BUMP3ARCSTRAP: Vertical linking elements for flying a double row ARCS configuration(provided in pairs, for front and rear attachment)ARCPLA: Removable front dolly with castors for ARCSARCBUMP: Rigging accessory for flying up to 4 ARCS in the horizontal orientationARCSCOV: Protective cover for ARCS enclosures

Wavefront Sculpture Technologym a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sCompact Line Source Array16The L-ACOUSTICS KIVA SYSTEM establishes a newreference in Line Source Array technology. Packagedin a sleek fully integrated ultra-compact design,KIVA is intended to fulfil the highest demands ofaudio professionals and delivers the ultimate performancelevel in its category. KIVA fulfils the fiveWST® (Wavefront Sculpture Technology) criteria inline with the scientific concepts introduced byL-ACOUSTICS.The L-ACOUSTICS KIVA system meets the demandsof both the fixed installation and rental productionmarkets. The main system components consist ofthe following:• KIVA full range element operating from 80 to 20kHz bandwidth.• KILO complimentary low frequency extensionelement operating from 50 Hz.• LA4 amplified controller.KIVA delivers a considerable number of improvementsover the traditional sound reinforcementapproach particularly with regard to the intelligibilityand overall clarity of vocal material. Utilising WSTtechnology KIVA (although compact by design) allowsfor even coverage of extremely large acoustic environmentswhere the number of elements (height ofthe array) constitutes the main factor in establishingthe system throw, coverage pattern, and directivitycontrol parameters.With a fixed horizontal directivity of 100° and a verticalinter-element variation of between 0˚ and 15°,KIVA is fully configurable to match any audiencegeometry. Utilising the unrivalled characteristics ofWST, KIVA delivers clarity, precision, and a uniquenear field proximity effect offering the audience anincomparable listening experience.Packaged in a lightweight and compact enclosurein addition to a virtually invisible captive riggingsystem, KIVA combines extremely quick set up andsystem integration with significant savings on storageand handling logistics. Due to its compact size andlow weight KIVA complies with rigging limitationsin theatres, performing art centres, concert halls,convention centres, sport facilities, and TV/Broadcaststudios, with the added bonus of being visuallydiscrete.The dedicated LA4 amplified controller delivers anextremely advanced and precise system drive forKIVA. System performance is optimized by a dedicatedpreset library exclusively designed for the LA4controller. A wide range of system configurationsare available for the sound designer and systemengineer allowing for a high level of creative freedom.Additional features include an intelligent 2 way (realtime and RMS) transducer protection circuit and aunique contour EQ interface allowing instant contouringof the line source array.A single LA4 can drive up to 8 KIVA cabinets in a fullrange preset configuration for vocals and light musicmaterial. Alternatively, an LA4 can drive 6 KIVA and2 KILO for medium music applications, while for moredemanding low-end reinforcement the SB118 subwoofercan be deployed as part of a 3 way system.KIVA configurations can be acoustically and mechanicallymodelled with the proprietary L-ACOUSTICSSOUNDVISION 3D simulation software. The KIVAsoftware predictions realised in SOUNDVISION aremodelled on the preset parameters of the LA4 amplifiedcontroller.In addition to the above, The LA NETWORK MANAGERsoftware offers remote control and monitoring ofthe amplified controllers via a user-friendly and intuitivegraphic interface. The design of complex andsophisticated systems is made possible by the integrationof an Ethernet-based network capabilitywhich allows for the simultaneous networking of upto 253 LA4 units.

systemcomponentssystemconfigurationKIVAFull range passive 2-way WST cabinet,operating bandwidth from 80 - 20 k Hz2 x 6.5’’ LF transducers + 1 x 1.5’’ HF compressiondriver mounted on DOSC® waveguideHorizontal directivity - 100° from 500 to 18k HzVertical flexibility 0˚to 15° in 1° increments up to 5°and 2.5° beyondWeight: 13 kg 28.7 lbsKILOLow frequency extension cabinet, operatingbandwidth from 50 Hz1 x 12’’ neodymium transducerWeight: 19 kg 41.9 lbsLA4Amplified Controller with DSP library andnetworking capabilities2 analogue inputs and four amplifier channeloutputs4 x 1000 W per channel into 4 ohms4 presets dedicated to KIVALA NETWORK MANAGER control softwareThree main KIVA system configurations are available:• ‘‘Full Range’’ Line Source• ‘‘LF extension’’ Line Source• ‘‘Fill distributed’’ mode.[ K I VA ] p r e s e t• The ‘‘Full Range’’ mode consists of a KIVA-only line source array configuration.A single LA4 can drive between 4 and 8 KIVA cabinets from 2 independentleft/right inputs.Preset : [KIVA] - Line Source• The ‘‘LF extension’’ mode consists of a hybrid configuration with a ratio of1 KILO to 3 KIVA. In this application, a single LA4 can drive up to 2 KILO and6 KIVA from one mono input. Two additional presets allow use with a complimentarySB118 subwoofer.Preset : [KIVA_KILO] - Line Source + LF extension [KIVA_KILO_60]- Line Source + LF extension + 60 Hz high pass filter foradditional subwoofer• The ‘‘Fill distributed’’ mode corresponds to distributed applications featuringsingle or paired KIVA cabinets. This mode typically covers front-fillapplications, under-balcony fills and delays.Preset : [KIVA_FI] - Single or paired Kiva for distributed mode17KIBURigging bumper for flying or ground stacking KIVACertified for flying up to 20 KIVA or 12 KIVA + 4KILO, in accordance with manufacturer’srecommendationsKIETAccessory for rigging a maximum of 2 KIVA on astand or for under balcony applications[ K I VA ] p r e s e tSOUNDVISIONElectro-acoustic and mechanical simulationsoftware (Windows® compatible) dedicated toL-ACOUSTICS products.[ K I VA _ F I ] p r e s e t[ K I VA _ K I L O ] p r e s e tK I B UK I E TS O U N D V I S I O N

KIVAwavefront sculpture technology®m a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sapplicationsThe KIVA Line Source element has an operating frequencybandwidth from 80 Hz to 20 kHz and thisresponse can be increased to 50 Hz with the additionof the low frequency extension KILO cabinet.architectspecifications18KIVA features two 6.5’’ drivers in a bass-reflex tunedenclosure and a HF 1.5’’ diaphragm compressiondriver coupled to a DOSC waveguide for HF reproduction.The passive crossover network uses 2nd orderfilters with built- in phase compensation.The V-shaped coplanar transducer configurationgenerates a polar pattern coverage of 100° horizontallywith symmetric pattern control across the projectionaxis, without any conflicts over the entirefrequency range.The combination of coplanar symmetry and the DOSCwaveguide in the HF region allows the system tofulfil the 5 WST criteria, thereby allowing the wavefrontof a KIVA line source to be curved up to a maximumof 15˚ for each element without breaking theinter-element acoustic coupling.The captive diecast 3-point rigging system is fullyintegrated into the KIVA cabinet allowing up to 20elements or 12 KIVA and 4 KILO to be flown in accordancewith the manufacturer’s recommendations.The KIVA cabinet is made from a unique compositematerial with remarkable mechanical and acousticproperties very similar to Baltic birch plywood butwith the added benefit of a high immunity tomoisture.The KIVA enclosure is controlled and amplified usingthe delicated LA4 controller. The performance ofKIVA depends upon the choice of preset and physicalsystem configuration.specificationsL-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performance predictionand simulation. Some of these specifications will appear very conservative when compared with other manufacturer’s specifications. Allmeasurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.Frequency response (-10dB)Usable bandwidth:Nominal directivity (-6dB)Horizontal:Vertical:80 - 20k Hz ‘‘Line Source’’ configuration100° Symmetric (500 - 18k Hz)Dependant upon number of elements and line sourcecurvatureBetween 0° and 15° inter-element anglesSPL max levels 1‘‘Full Range’’ mode: 120 dB (cont) 126 dB (peak) 1 x KIVA ([KIVA] preset)ComponentsLF:HF:Nominal impedance:2 x 6.5’’ weather-resistant1 x 1.5’’ diaphragm compression driver8 ohmsRiggingEntirely captive, high-grade steel certified for 20 KIVAor 12 KIVA and 4 KILO according to manufacturer’srecommendations 2Angle increments: 0, 1, 2, 3, 4, 5, 7.5, 10, 12.5, 15°1 Max SPL at 1m under freefield measurement conditions usingpink noise with specified preset and corresponding EQ settings.2 Installation guidelines are specified in the SOUNDVISIONsoftware designed to help with L-ACOUSTICS productPhysical data• W x H/h x D: 520 x 175/103 x 358 mm20.5 x 6.9/4 x 14.1 in• Weight (net): 13kg 28.7 lbs• Connectors: 2 x 4-pin NeutrikSpeakon• Material: composite sandwichstructure, zamac and steel• Finish: maroon-gray, RAL 8017• Front: plastic grill, black andacoustically neutral ‘‘Airnet’’ grill cloth• Rigging : integrated flying hardwareand handles (black epoxy paint)

KILOwavefront sculpture technology®m a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sapplicationsarchitectspecificationsKILO is the Low Frequency extension of the KIVA linesource array system. Operating from 50 Hz the cabinetfeatures a single 12’’ neodymium driver in a tuneddual-chamber bass-reflex enclosure.The KILO enclosure generates an omni-directionalcoverage pattern. The addition of KILO elementswithin the line source array progressively polarizescoverage towards the front of the system as moreelements are added, thereby increasing the directivityof the line both horizontally and vertically due tonatural dipole effects.The 3-point rigging system is totally captive andintegrated into the cabinet. Engineered and diecastin high-grade steel, it allows for flying of up to 12KIVA and 4 KILO with inter-element angles from 0°to 15° in accordance with the manufacturer’s recommendations.Being entirely compatible with KIVAthe line source can be built with a combination ofboth cabinets utilising the same riggingcomponents.The KILO enclosure is controlled and amplified usingthe dedicated L-ACOUSTICS LA4 controller. The performanceof combined KIVA/KILO systems dependsupon the choice of preset and physical systemL-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performance predictionand simulation. Some of these specifications will appear very conservative when compared with other manufacturer’s specifications. Allmeasurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.Frequency response (-10dB)Low frequency limit:Nominal directivity (-6dB)Horizontal:Vertical:50 HzOmni for single elementPolarized in line sourceOmni for single elementDependant upon number of elementsPL max levels 1119 dB (cont) 125 dB (peak) 1 x KILO ([KIVA_KILO] preset)Componentspecifications1 x 12’’ neodymium weather-resistant transducerNominal impedance: 8 ohmsRiggingEntirely captive, high-grade steel certified for12 KIVA and 4 KILO according to manufacturer’srecommendations 2Angle increments: 0, 1, 2, 3, 4, 5, 7.5, 10, 12.5, 15°1 Max SPL at 1m under freefield measurement conditions usingpink noise with specified preset and corresponding EQ settings2 Installation guidelines are specified in the SOUNDVISIONsoftware designed to help with L-ACOUSTICS productimplementationEnclosure• W x H/h x D:520 x 353/280 x 358 mm20.5 x 13.9/11 x 14.1 in• Weight (net): 19 kg 41.9 lbs• Connectors: 2 x 4-pin Neutrik Speakon• Material:15, 24, 30 mm Baltic Birchplywood• Finish: maroon-gray, RAL 8017• Front: cataphoresis-coated steel-madegrill, black and acoustically neutral‘‘Airnet’’ grill cloth• Rigging : integrated flying hardwareand handles (black epoxy paint)19

COAXIAL SYSTEMS20Operahouse of Copenhagen

L - A C O U S T I C S c o a x i a l s y s t e m s o f f e r a u n i q u e a n s w e r t od i s t r i b u t e d s o u n d r e i n f o r c e m e n t d e s i g n r e q u i r e m e n t sT r a d i t i o n a l 2 - w a y e n c l o s u r e s s u f f e r f r o m i n t e r f e r e n c e t h a tr e s u l t s i n l o b i n g e f f e c t s a n d d e g r a d e d f r e q u e n c y r e s p o n s e .A s a n a l t e r n a t i v e s o l u t i o n , s i n c e 1 9 8 7 L - A C O U S T I C S h a sf o c u s e d o n p r o g r e s s i v e l y i m p r o v i n g c o a x i a l d e s i g n t o p r o v i d ea c o h e r e n t s i n g l e p o i n t s o u r c e . P r o p r i e t a r y d u a l c o n c e n t r i cd r i v e r s h a v e b e e n d e v e l o p e d w i t h i m p r o v e d d i r e c t i v i t y c o n t r o la n d i n c r e a s e d t r a n s d u c e r p o w e r h a n d l i n g .21

XTC o a x i a l R a n g em a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m s22The XT coaxial range delivers a complete sound reinforcementsolution intended to fulfil the highestdemands of audio professionals. Drawing upondecades of real world leading edge experience datingback to the MTD coaxial concept from 1987, the XTseries delivers the ultimate sonic performance in acompact and versatile multi tasking package.The XT coaxial loudspeakers meet the highestdemands from both the fixed installation and rentalproduction markets. The system range and componentsare as follows:• 8XT full range passive compact enclosure• 12XT full range active / passive enclosure• 115XT HiQ active reference floor monitor• LA4 amplified controller.The main advantages of coaxial technology includesingle point-source radiation combined with excellentphase response, total wavefront coherency atall frequencies, and axi-symetrical directivity whichproduces identical coverage patterns in both thehorizontal and vertical planes. The coaxial designalso provides LF/HF superimposed dispersion characteristicsthat are free from polar lobing effectswhich are destructive in traditional horn and woofercombinations. The end-result is natural studio monitorsound quality which is ideal for both proximitymonitoring use, or perfectly matched for semi-reverberantenvironments. The XT coaxial range featuresthe latest generation of transducers and cutting-edgeelectro-acoustics engineering design. The end resultis an outstanding sonic performance with an auralsensation of natural and transparent sound even atthe highest listening levels.Setting up XT enclosures is quick and easy due tothe unique integrated flying hardware system whichensures precision, safety, and full compatibility withcurrent rigging safety standards. Its compact andwedge-shaped format makes the XT range equallysuited to various sound reinforcement applicationssuch as front of house, floor monitor and distributedsystems.The XT range has been designed for use with theLA4 amplified controller. On board the LA4 a widevariety of presets are available across the entire XTrange which provide the sound designer with totalcreative freedom for any conceivable application intheatre, clubs, concert halls, broadcast and multipurposefacilities.As well as delivering cutting edge audio quality, theLA4 amplified controller offers a unique dual transducerprotection system, a precise system driveengine, and remote EQ and tonal balancing features.A single LA4 can power and control 4 active enclosuressuch as the 12XT or 115XT HiQ or up to 8 passiveenclosures namely the 8XT or 12XT in its passivelyconfigured mode. In addition, for more demandinglow-end reinforcement the SB118 subwoofer can bedeployed as part of a 3 way system.Any XT configuration can be acoustically and mechanicallymodelled with the proprietary L-ACOUSTICSSOUNDVISION 3D simulation software. The XT softwarepredictions are modelled on the preset parametersof the LA4 amplified controller.In addition the design of complex and sophisticatedcontrol systems is made possible on the LA4 by theintegration of an Ethernet based network capabilitywhich allows for the simultaneous networking of upto 253 LA4 units. The LA NETWORK MANAGER softwareoffers remote control and monitoring of theamplified controllers via a user-friendly and intuitivegraphic interface.

systemcomponents115XT HiQFull range 2 way active enclosure, 50 - 20k Hz bandwidth1 x 15’’ LF transducer + 1 x 3’’ HF mounted on a coaxial waveguide50° Axi-symetric directivity12XTFull range 2 way active/passive, enclosure, 55 - 20k Hz bandwidth1 x 12’’ LF transducer + 1 x 3’’ HF compression driver90° Axi-symetric directivity8XTFull range passive 2 way enclosure, 65 - 20k Hz bandwidth1 x 8’’ LF transducer + 1 x 1.5’’ HF diaphragm compression driver100° Axi-symetric directivityETR15, ETR12, ETR8-2Rigging brackets with 10° angular incrementsfor 115XT HiQ, 12XT and 8XTLA4Amplified Controller with DSP library2 analogue inputs and 4 amplifier channel outputs4 x 1000 W per channel into 4 ohms26 dedicated XT presetsLA NETWORK MANAGER control softwareSOUNDVISIONElectro-acoustic and mechanical simulation software(Windows® compatible) dedicated to L-ACOUSTICS productssystemconfigurationThe LA4 platform allows for total flexibility in defining configurations andrelated applications for various L-ACOUSTICS speaker systems includingthe XT range. Each individual XT model can be driven as a FOH sound system[FRONT], distributed system [FILL] or as a floor monitor [MONITOR]. Theengineer can also choose the same preset programs but with the inclusionof a 100 Hz high-pass filter if the system is to be used with the SB118 subwoofer,or simply to eliminate unwanted LF material in stand alonemode.The LA4 presets optimize both the sonic performance and the transducerprotection of the systems under all operational conditions. The presetlibrary is structured as follows:Passive stereo 2 way systemsMode 8XT Presets 12XT Presets Contour ApplicationFULL RANGE 8XT_FR 12XTP_FR LF/HF shelving FOHHIGH PASS(100 Hz)Active stereo 2 way systems8XT_FI 12XTP_FI Flat contour Distributed8XT_MO 12XTP_MO1/2space loadcond. EQFloorMonitor8XT_FR_100 12XTP_FR_100 HF shelving FOH8XT_FI_100 12XTP_FI_100 Flat contour Distributed8XT_MO_100 12XTP_MO_1001/2space loadcond. EQFloorMonitort23Mode 8XT Presets 12XT Presets Contour ApplicationFULL RANGE HiQ_FR 12XTA_FR LF/HF shelving FOHHiQ_FI 12XTA_FI Flat contour DistributedE T R 1 5E T R 1 2HIGH PASS(100 Hz)HiQ_MO 12XTA_MO1/2space loadcond. EQFloorMonitorHiQ_FR_100 12XTA_FR_100 HF shelving FOHHiQ_FI_100 12XTA_FI_100 Flat contour DistributedHiQ_MO_100 12XTA_MO_1001/2space loadcond. EQFloorMonitortS O U N D V I S I O NHybrid stereo passive systems with LF reinforcementMode 8XT Presets 12XT Presets Contour ApplicationE T R 8 - 2LF EXTENSION(100 Hz Xover)8XT_SB118 12XTP_SB118 HF shelving FOH

8XTC o a x i a l E n c l o s u r eapplicationsm a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sarchitectspecifications24The 8XT cabinet is the most compact model of theL-ACOUSTICS coaxial range and operates on a frequencybandwidth of 65 Hz to 20 kHz. This responsecan be lowered to 32 Hz with the addition of theSB118 subwoofer.The 8XT enclosure contains a 1.5’’ diaphragm compressiondriver coaxially-loaded (for HF directivitycontrol) by an 8’’ low frequency transducer in a bassreflextuned enclosure. The internal passive crossovernetwork uses proprietary third order filters. The linearizationand protection of the transducers is definedby the drive parameters contained in the LA4 amplifiedcontroller.The coaxial transducer arrangement produces a 100°axi-symetric directivity output along with a smoothtonal response free of any secondary lobes over theentire frequency range.The wedge-shaped cabinet design makes the 8XTperfectly suited to all multi-purpose sound reinforcementapplications with two fixed angle settings of30˚ and 40° (with regard to the vertical). Made of highgrade Baltic birch plywood, the cabinet also featuresa pole mount socket. The complimentary ETR8-2bracket is also available for flown applications.The 8XT is controlled and amplified with theL-ACOUSTICS LA4 controller in the followingmodes:• ‘‘FULL RANGE’’ mode for standalone use of 8XT atnominal bandwidth ([8XT_FR], [8XT_FI] or [8XT_MO]presets)• ‘‘HIGH PASS’’ mode with 100 Hz high pass filter topossibly associate the complimentary SB118 subwoofer([8XT_FR_100], [8XT_FI_100] or [8XT_MO_100] presets)• ‘‘LF EXTENSION’’ mode for hybrid configurationsfeaturing the complimentary SB118 subwoofer([8XT_SB118] preset).For each mode a distinction is drawn between[FRONT], [FILL] and [MONITOR] presets as they respectivelymatch front of house, distributed applicationsand half-space loading operating conditions.The performance of the 8XT enclosure depends uponthe choice of preset and physical systemconfiguration.specificationsL-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performance predictionand simulation. Some of these specifications will appear very conservative when compared with other manufacturer’s specifications. Allmeasurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.Frequency response (-10dB)Usable bandwidth:Nominal directivity (-6dB)65 - 20k Hz ([8XT_FR] preset)100° (± 15°) Axi-symetricSPL max levels 1[Fill] mode: 117 dB (cont) 123 dB (peak) 1 x 8XT ([8XT_FI] preset)ComponentsLF:HF:Nominal impedance: 8 ohms1 Max SPL at 1m under freefield conditions using pink noise withspecified preset and corresponding EQ settings.1 x 8’’ weather-resistant transducer1 x 1.5’’ diaphragm compression driverPhysical data• H x W x D: 422 x 250 x 271 mm16.6 x 9.8 x 10.7 in.• Wedge angle: 30° ou 40° with regardto vertical• Weight (net): 11 kg24.2 lbs• Connectors: 2 x 4 pin NeutrikSpeakon• Material: 15 mm and 18 mm Balticbirch plywood• Finish: Maroon-gray RAL 8017• Front: cataphoresis-coated steel-madegrill, acoustically transparent ‘‘Airnet’’black cloth• Rigging: integrated handles andpole mount socket, Omnimountcompatibility, and optional ETR8-2bracket

12XTC o a x i a l E n c l o s u r eapplicationsm a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sarchitectspecificationsThe 12XT combined active/passive cabinet is the midsized model of the L-ACOUSTICS coaxial range andhas an operating frequency bandwidth of 55 Hz to20 kHz. This response can be lowered to 32 Hz withthe addition of the SB118 subwoofer.The 12XT enclosure contains a 3’’ diaphragm compressiondriver coaxially loaded (for HF directivitycontrol) onto a 12’’ low frequency transducer in abass-reflex tuned enclosure. Managed by the LA4controlled amplifier, the active filtering encompassesadvanced crossover functions, system EQ, HF and LFtransducer time-alignment, and dual (real time andRMS) protection of the transducers. In passive mode,the 12XT onboard crossover network uses proprietarythird order filters. The linearization and protectionof the transducers is defined by the drive parameterscontained in the LA4 amplified controller.The coaxial transducer arrangement produces a 90°axi-symetric directivity output along with a smoothtonal response free of any secondary lobes over theentire frequency range.The wedge-shaped cabinet design makes the 12XTperfectly suited to all multi-purpose sound reinforcementapplications in addition to short or long throwmonitoring use with two fixed angle settings of 30˚and 60° (with regard to the vertical). Made of highgrade Baltic birch plywood, the cabinet also featuresa pole mount socket, and a predrilled template for3rd party Omnimount fixtures. The complimentaryETR12 bracket is also available for flown applications.The 12XT is controlled and amplified by the L-ACOUSTICSLA4 controler in the following active or passive modes(active/passive switch behind front grill):• ‘‘FULL RANGE’’ mode for standalone use of 12XT atnominal bandwidth ([12XTA_FR], [12XTA_FI], [12XTA_MO], [12XTP_FR], [12XTP_FI] or [12XTP_MO] presets)• ‘‘HIGH PASS’’ mode with 100 Hz high pass filter to possiblyassociate the complimentary SB118 subwoofer(same presets as above with ‘‘_100’’ extension)• ‘‘LF EXTENSION’’ mode for hybrid configurationfeaturing the complimentary SB118 subwoofer([12XTP_SB118] preset).For each mode a distinction is drawn between[FRONT], [FILL] and [MONITOR] presets as they respectivelymatch front of house, distributed applicationsand half-space loading operating conditions.The performance of the 12XT enclosure dependsupon the choice of preset and physical systemconfiguration.specificationsL-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performance predictionand simulation. Some of these specifications will appear very conservative when compared with other manufacturer’s specifications. Allmeasurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.Frequency response (-10dB)Usable bandwidth:Nominal directivity (-6dB)55 - 20k Hz ([12XTA_FR] preset)90° (± 20°) Axi-symetricSPL max levels 1[Fill] mode: 123 dB (cont) 129 dB (crête) 1 x 12XT ([12XTA_FI] preset)ComponentsLF:HF:Nominal impedance:1 Max SPL at 1 m under freefield conditions using pink noise withspecified preset and corresponding EQ settings.1 x 12’’ weather-resistant transducer, impedance 8 ohms1 x 3’’ diaphragm compression driver, impedance 8 ohms8 ohms (passive)Physical data• H x W x D: 540 x 410 x 389 mm21.3 x 16.1 x 15.3 in.• Wedge angle: 30° or 60° with regard tovertical• Weight (net): 29 kg 63.9 lbs• Connectors: 2 x 4 pin NeutrikSpeakon• Material: 18 mm, 24 mm and 30 mmBaltic birch plywood• Finish: Maroon-gray RAL 8017• Front: cataphoresis-coated steel-madegrill, acoustically transparent ‘‘Airnet’’black cloth• Rigging: integrated handles andpole mount socket, Omnimountcompatibility, optional ETR12 bracket25

115XT HiQc o a x i a l t e c h n o l o g ym a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sapplicationsThe L-ACOUSTICS® 115XT HiQ loudspeaker enclosure, combinedwith the power of digital signal processing, providesa versatile system that is designed for high performancestage monitoring or distributed sound reinforcement.Combining the advantages of coaxial technology with thepattern control of conical waveguide loading, the 115XTHiQ features advanced components in a flexible, multipurposeformat that is suitable for either touring or fixedinstallation.MONITOR presets account for halfspace loading conditions for floor monitoring or fixed installations where the 115XT HiQ iswall- or ceilingmounted. A variety of 3-way presets are also provided for use of the 115XT HiQ with L-ACOUSTICS subwoofers.Pole mount sockets and side-mounted fly track sections are included as standard on the 115XT HiQ and optional rigging accessoriesinclude an adjustable U-bracket and a vertical coupling adapter.specifications26The 115XT HiQ is an active 2-way loudspeaker enclosurecontaining a 1.4’’ exit neodymium compression driverloaded by a conical waveguide and assembled in a coaxialconfiguration along with a 15’’ loudspeaker. Conical waveguideloading focuses mid/high frequency energy over a50° axi-symmetrical pattern while loading the 15’’ loudspeakerfor improved upper mid bass efficiency, resultingin exceptional power response stability with high immunityto feedback.Further advantages of the coaxial approach include: singlepoint source radiation, total wavefront coherency at allfrequencies and superimposed LF/HF dispersion characteristicsthat are free of polar lobing effects typical oftraditional horn and woofer combinations. The net resultis natural, studio monitor level sound quality that is idealfor proximity use.For floor monitoring, the ultracompact format and lowprofile of the 115XT HiQ allows for optimum sightlineseven in the most confined locations and with the flexibilityof dual angle configurations, the 115XT HiQ can be used foreither short- or long-throw monitoring. When used withthe SB118 (or other L-ACOUSTICS subwoofers), the 115XTHiQ provides an exceptionally high performance side fillor drum monitoring solution.The 115XT HiQ is also ideal for distributed sound reinforcementand can be used in medium power front-of-house(FOH) applications for theatres, clubs, multi-purpose venuesor corporate events.Application-engineered OEM presets are available for anumber of approved digital processors, providing flexiblesolutions for a wide variety of 2- and 3-way operatingmodes. FRONT presets are for standalone operation(without subwoofers), FILL presets provide nominally flatresponse for speech or classical music reinforcement andL-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performance predictionand simulation. Some of these specifications will appear very conservative when compared with other manufacturer’s specifications. Allmeasurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.Frequency ResponseFrequency responseUsable bandwidth65 - 18k Hz (± 3 dB) (FRONT preset)50 - 20k Hz (-10 dB)Sensitivity 1LF (2.83 Vrms @ 1m) 100.8 dB SPL 65 - 1k HzHF (2.83 Vrms @ 1m) 110.2 dB SPL 1 - 18 kHzPower rating 2 Amplification Impedance(Long Term) (Recommended) (Nominal)LF 60 Vrms 450 Wrms 1800 Wpeak 900 W 8 ΩHF 32 Vrms 125 Wrms 500 Wpeak 500 W 8 ΩNominal Directivity (-6dB) 3Axi-symmetrical 50° (± 10°)System Output 4SPLOne enclosure 125 dB (cont) 131 dB (peak) FRONT Preset126.5 dB (cont) 132.5 dB (peak) FILL Preset129.5 dB (cont) 135.5 dB (peak) MONITOR PresetFRONT preset provides 3 dB low and high frequency contours under freefield conditionsFILL preset provides nominally flat response under freefield conditionsMONITOR preset provides nominally flat response under halfspace conditionsComponentsLF1 x 15’’ weatherproof loudspeaker (bass reflex-loaded, 3’’ voice coil)HF1 x 1.4’’ neodymium compression driver mounted on conical waveguide1 Sensitivity is the average SPL measured over the component’srated bandwidth2 Power rating displays the long term RMS power handling capacityusing pink noise with a 6 dB crest factor over the component’srated bandwidth3 Directivity is averaged over the 1-10 kHz range4 System Output gives the unweighted SPL output of the systemreferencedto 1 m, including preset equalization and bandleveling adjustment.Enclosure• Height 365 mm 14.4’’• Width 580 mm 22.8’’• Depth 446 mm 17.6’’• Projection angles: 30° or 60° withrespect to vertical axis• Weight 28.5 kg 62.8 lbs• Shipping Weight 30.0 kg 66.1 lbs• Shipping Dims650 x 550 x 500 mm25.6 x 21.7 x 19.7’’• Connectors: 2x 4-pin Neutrik speakon• Material: Baltic Birch plywood• Finish: Maroon-gray• Grill: Black epoxy perforated steel withacoustically transparent,technically-advanced grille cloth• Rigging: Integrated flying hardware,handles and pole mount socketAdditional Equipment• OEM factory presets available forapproved digital processors• L-ACOUSTICS SB115, SB118, SB218,dV-SUB subwoofers• L-ACOUSTICS LA 24a power amplifierBi-amplified 2-way enclosure(15’’ LF, 1.4’’ HF)High Q coaxial driver assemblyPoint source radiation(50° conical directivity)Compact, versatile format for short- orlongthrow floor monitoringSuitable for medium-power FOHand fill applicationsDesigned for high performancetouring and fixed installationCompact, rugged construction,advanced riggingApplication-engineered OEM presetsfor approved digital processors

frequency responseaccessoriesarchitectspecificationsThe enclosure shall be a bi-amplified, 2-way, coaxialfull range loudspeaker containing one direct radiating,bass reflex-loaded, 15’’ low frequency transducerand one 1.4’’ exit, titanium alloy diaphragm,neodymium compression driver. As a full rangesystem, the frequency response shall be 65 Hz to 18kHz with less than ± 3 dB variation and the usablebandwidth shall be 50 Hz to 20 kHz (-10 dB).E T R 1 1 5 X TETR115XT: Adjustable U-Bracket for ceiling, wall or scaffoldmounting of the 115XT HiQ in either horizontal orvertical orientations.CPL115XT: Coupling adapter bars used in conjunctionwith ETR115XT to array 2 115XT HiQ vertically with independenttilt adjustment for both enclosures.XTLIFTBAR: Allows for single point rigging of the 115XTHiQ with 5 pick points available for tilt adjustment.Pattern control loading for the compression drivershall be provided by a concentrically-mounted conicalwaveguide that yields a 50° conical dispersionpattern that is axi-symmetrical. The crossover pointbetween low and high frequency components shallbe 1 kHz with 24 dB per octave Linkwitz-Riley characteristics.Long term power handling shall be 450Wrms for the low section and 125 Wrms for the highsection at a nominal 8 Ω impedance. Connection tothe loudspeaker shall be made via 2 parallel 4-pinNeutrik Speakon connectors.beamwidth (-6db)C P L 1 1 5 X TX T L I F T B A RThe enclosure shall have a profile that is suitable forstage monitoring applications, offering 2 listeningangles of 30- or 60° with respect to a vertical axisperpendicular to the floor. Dimensions shall be 58cm (22.8’’) wide, 44.6 (17.6’’) deep and the heightabove floor level shall be 36.5 cm (14.4’’) whenused as a floor monitor in the 30° position. Cabinetconstruction shall consist of 18 mm (0.70’’) and 30mm (1.18’’) Baltic birch plywood with joints that aresealed, screwed and rabbeted. The finish shall bemaroon-gray high resilient paint. The front of the enclosureshall be protected by a 1.5 mm (0.06’’) thickblack epoxy-coated steel grill that is covered with 4mm (0.16’’) thick acoustically-transparent, highly-resistant,technically-advanced grille cloth.The enclosure shall be used with an approved digitalprocessor with OEM factory presets for active 2-wayor 3-way operation in conjunction with additionalsubwoofer enclosures.The loudspeaker system shall be the L-ACOUSTICS115XT HiQ.The subwoofer system shall be the L-ACOUSTICSSB115, SB118, SB218 or dV-SUB.directivity factor qimpedancefurther infoOEM Factory PresetsFor 2-way operation, 3 types of presets are provided:FRONT presets are for standalone FOH operation(without subwoofers) where low and high frequencyshelving equalization provides a frequency responsecontour suitable for music applications. FILL presetsprovide nominally flat response for use in speech reinforcementand classical music applications or whenthe 115XT HiQ is used as a close proximity fill enclosure.Both FRONT and FILL presets are derived under freefieldmeasurement conditions. MONITOR presets include additionallow frequency equalization to account for halfspaceloading conditions and are intended for floormonitoring applications or fixed installations where the115XT HiQ is wall- or ceiling-mounted.A variety of 3-way presets are provided for use of the115XT HiQ with SB115, SB118, SB218 or dV-SUB subwoofers.Standard 3W presets utilize a complimentary100 Hz crossover point for the 115XT HiQ andits companion subwoofer and are recommended forclosely coupled applications. Alternatively, when the115XT HiQ is flown and subwoofers are ground stacked,3WX presets can be employed where an 80 Hz low passfilter is applied to the subwoofers and 115XT HiQ lowfrequency response extends to 45 Hz.27

108Ps e l f - p o w e r e d c o a x i a l l o u d s p e a k e rm a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sapplicationsspecifications28Compact, precise and flexible -the 108P combinesthe plug-andplay convenience of self-poweredoperation and power of digital signal processingwith the substantial performance benefits ofL-ACOUSTICS® coaxial point source technology.A 250 x 500 W bi-amplified, digitallyprocessedloudspeaker - the 108P features a 1’’ exit HF compressiondriver coaxially-loaded by an 18’’ low frequencytransducer.Integral digital crossover filtering, component timealignment and equalization provide superb sonicperformance plus added flexibility due to the availabilityof 4 application-engineered presets (FILL,FRONT, MONITOR, X-OVER).Accurate frequency response and imaging combinedwith elevated SPL output capacity make the108P ideal for use as a high performance nearfieldmonitor for live FOH mix engineering or 5.1 monitoringin studio, broadcast or post production environments.For proximity reinforcement such as distributedfront fill, the 108P provides optimum fidelity andintelligibility, satisfying even the strictest requirementsof classical music and opera. The compact,truncated wedge-shaped enclosure format providesa visually-discrete solution for floor monitoring,keyboard monitoring or underbalcony use andwith the addition of the L-ACOUSTICS SB15P selfpoweredsubwoofer, the 108P is also suitable forsmall format FOH applications.L-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performanceprediction and simulation. some of these specifications may appear conservative when compared with other manufacturer’s specifications. allmeasurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.ACOUSTICAL PERFORMANCEFrequency ResponseOperating Bandwidth 65 - 20k Hz (± 3 dB) FILL presetUsable Bandwidth55 - 22k Hz (- 10 dB)System Sensitivity 1-21 dBu (.071 Vrms) 94 dB SPL 65 - 20k Hz FILL presetNominal Directivity (-6dB) 2Axi-symmetric 100° (± 15°)System Output 3SPLOne enclosure 115 dB (continuous) 125 dB (peak) FILL preset113 dB (continuous) 123 dB (peak) X-OVER presetFILL preset provides flat frequency response under freefield conditionsX-OVER preset applies a 100 Hz high pass filter and a 3 dB high frequency shelving eq contourSpeakersLF1 x 8’’ weather-resistant loudspeaker (2” voice coil)HF1 x 1’’ exit compression driver (titanium diaphragm,coaxial assembly)ELECTRICAL PERFORMANCEInputTypeMax Input LevelDSPSamplingDynamicAmplifierOutput PowerGain1 System Sensitivity provides the equivalent 1W/m SPL outputaveraged over the system operating bandwidth (gainpotentiometer set to 0 dB)Electronically balanced (pin 2 hot)+12 dBu (gain potentiometer at 0 dB position)24 bit / 48 kHzRange > 105 dBA1 x 500 W (4 Ω – LF section)1 x 250 W (8 Ω – HF section)32 dB2 Directivity is averaged over the 1-10 kHz range3 System Output is the unweighted SPL output referenced to1 m under freefield conditions, including preset equalizationEnclosure• Height 421 mm 16.6’’• Width250 mm 9.8 in• Depth299 mm 11.8 in• Floor monitor angle 30° (wrt vertical)• Weight (net) 12.8 kg 28.2 lbs• Shipping Weight 14.3 kg 31.5 lbs• Shipping Dims490 x 330 x 370 mm19.3 x 13.0 x 14.6’’• Connectors: 2 x XLR, 2 x PowerCon(input, loop thru)• Material: 15 and 18 mm Baltic birchplywood• Finish : Maroon-gray• Grill : Black epoxy perforated steel withacoustically transparent, technicallyadvancedgrille cloth• Rigging : Integral pole mount support,adjustable U-bracket accessory availableAdditional Equipment• L-ACOUSTICS SB15P subwooferActive, self-powered,2-way enclosure (8’’ LF, 1’’ HF)High power, bi-amplifiedcoaxial driver assemblyCoherent point source radiation(100° axisymmetric directivity)High efficiency 2-channelpower amplifier moduleDigital system equalization(FILL, FRONT, MONITOR, X-OVER presets)Suitable for nearfieldmonitoring in live or studio applications,portable distributed sound reinforcement

112Ps e l f - p o w e r e d c o a x i a l l o u d s p e a k e rm a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sapplicationsThe 112P combines the significant advantages ofL-ACOUSTICS® coaxial point source technologywith the convenience of self-powered performanceand the power of digital signal processing.Ideal for multi-purpose, portable sound reinforcement,the 112P features advanced loudspeakercomponents powered by a 1000 W amplifier modulewith dedicated on-board digital signal processing.4 application-engineered presets are available(FILL, FRONT, MONITOR, X-OVER), complementingthe considerable flexibility of the 112P by providingconvenient, plug-and-play ease of operation.Featuring a 1.4’’ exit compression driver coaxially-loadedby a 12’’ transducer, the 112P providescoherent point source radiation with 90° axi-symmetricdirectivity (identical horizontal, vertical andaxial coverage).Due to the coaxial component configuration,power response is free of the polar lobing effectstypical of traditional horn / woofer combinations.Due to its compact, wedge-shaped enclosure format,the 112P provides an exceptionally high performancefloor monitor solution. Excellent imageand coverage stability is obtained due to thecoaxial configuration and the performer experiencesa generous, homogeneous coverage patternwithout the subjective impression and potentialfeedback problems of listening to a separate horn /woofer combination.To facilitate installation, pole mount sockets areincluded as standard and optional rigging accessoriesinclude an adjustable U-bracket (for ceiling,wall, scaffold or truss mounting).L-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performanceprediction and simulation. some of these specifications may appear conservative when compared with other manufacturer’s specifications. allmeasurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.ACOUSTICAL PERFORMANCEFrequency ResponseOperating Bandwidth 60 - 18k Hz (± 3 dB) FILL presetUsable Bandwidth50 - 20k Hz (- 10 dB)System Sensitivity 1-21 dBu (.071 Vrms) 96 dB SPL 60 - 18k Hz FILL presetNominal Directivity (-6dB) 2Axi-symmetric 90° (± 20°)System Output 3SPLOne enclosure 121 dB (continuous) 131 dB (peak) FILL preset119 dB (continuous) 129 dB (peak) X-OVER presetFILL preset provides flat frequency response under freefield conditionsX-OVER preset applies a 100 Hz high pass filter and a 3 dB high frequency shelving eq contourSpeakersLF1 x 12’’ weather-resistant loudspeaker (3” voice coil)HF1 x 1.4’’ exit compression driver (titanium diaphragm, 3” voice coil, coaxial assembly)ELECTRICAL PERFORMANCEInputTypeMax Input LevelDSPSamplingDynamicspecificationsElectronically balanced (pin 2 hot)+12 dBu (gain potentiometer at 0 dB position)24 bit / 48 kHz> 105 dBAAmplifierOutput Power 1 x 1000 W (8 Ω)Gain32 dB1 System Sensitivity provides the equivalent 1W/m SPL outputaveraged over the system operating bandwidth (gainpotentiometer set to 0 dB)2 Directivity is averaged over the 1-10 kHz range3 System Output is the unweighted SPL output referenced to 1 munder freefield conditions, including preset equalizationEnclosure• Height 540 mm 21.3’’• Width 416 mm 16.4’’• Depth 390 mm 15.4’’• Floor monitor angle 30° (wrt vertical)• Weight (net) 32.2 kg 70.9 lbs• Shipping Weight 35.5 kg 78.2 lbs• Shipping Dims615 x 470 x 465 mm24.2 x 18.5 x 18.3’’• Connectors: 2 x XLR, 2 x PowerCon(input, loop thru)• Material: 18 and 30 mm Baltic birchplywood• Finish : Maroon-grayTM• Grill : Black epoxy perforated steel withacoustically transparent, technicallyadvancedgrille cloth• Rigging : Integral pole mount support,adjustable U-bracket accessory availableAdditional Equipment• L-ACOUSTICS SB15P subwooferSelf-powered, 2-wayenclosure (12’’ LF, 1.4’’ HF)High power coaxialdriver assemblyCoherent point source radiation(90° axisymmetric directivity)High efficiency poweramplifier moduleDigital system equalization(FILL, FRONT, MONITOR, X-OVER presets)Suitable for portable distributed soundreinforcement, floor monitoring,medium-power FOH29

SUBWOOFERS & POWER AMPLIFIERS30Boston Symphony Hall

S u b w o o f e r d e v e l o p m e n t h a s a v e r y h i g h p r i o r i t yb e c a u s e l o w f r e q u e n c i e s p r o v i d e t h e f o u n d a t i o n f o rm u s i c a l e x p r e s s i o n . L - A C O U S T I C S f o c u s e s o n f i v ep r i n c i p a l d e s i g n c r i t e r i a t o e n h a n c e t h e o v e r a l l s y s t e mp e r f o r m a n c e :. O p t i m i z a t i o n o f e f f i c i e n c y / b a n d w i d t h p l u s d a m p i n gc h a r a c t e r i s t i c s. B e s t p o s s i b l e u t i l i z a t i o n o f d r i v e r m e c h a n i c a l a n d t h e r m a lr e s o u r c e s. P r a c t i c a l , e r g o n o m i c p a c k a g i n g a n d r i g g i n g s o l u t i o n s. A d v a n c e d a r r a y i n g t e c h n i q u e s a n d d i g i t a l s i g n a lp r o c e s s i n g. F l e x i b l e p r e s e t c o m b i n a t i o n s f o r u s e w i t h L - A C O U S T I C Sl o u d s p e a k e r s .31

Sub 15Ps e l f - p o w e r e d s u b w o o f e rm a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sapplications32The SB15P (Sub Bass 15” Powered) is the companion subwooferfor L-ACOUSTICS 108P and 112P self-poweredcoaxial loudspeakers. Featuring a front-loaded fifteeninchtransducer loaded in an optimum-sized/-tunedvented enclosure, the SB15P combines the convenienceof self-powered performance with the power of digitalsignal processing.Ideal for portable sound reinforcement or stage monitoring,the SB15P provides plug-and-play ease of operationgiven its 1000 W amplifier module and dedicated onboarddigital signal processing with application-engineeredpresets.The 15” component employed in the SB15P featureselevated power handling and excursion capability alongwith reduced distortion and thermal power compression.Advanced component performance is complemented byintegral power amplification and protection to provideexceptional SPL output and secure operation. Optimizedtuning provides an ideal combination of temporal accuracy,bass articulation, musicality and low end definitionthat only a front loaded subwoofer can provide.The compact dimensions of the SB15P provide a highdegree of flexibility for installations where space is at apremium. Typical applications include portable distributedsound reinforcement for theatre, congress centre,concert hall, trade show, corporate A/V, houses of worship,club, conference room, multimedia installations ortelevision. The SB15P is also ideal for stage monitoringapplications such as compact side fill, keyboard or drumfill monitoring. For studio or nearfield monitoring, theSB15P can be used with 108P enclosures in stereo, 5.1 or7.1 configurations.A built-in pole mount socket is provided as standard,facilitating the creation of a compact FOH system whenthe SB15P is used with 108P or 112P enclosures. An adjustableU bracket is available as an optional rigging accessory(for ceiling, wall, scaffold or truss mounting), addinga unique degree of versatility for fixed installation.specificationsL-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performance predictionand simulation. Some of these specifications may appear conservative when compared with other manufacturer’s specifications. allmeasurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.ACOUSTICAL PERFORMANCEFrequency ResponseFrequency responseUsable bandwidthSystem Sensitivity 1-21 dBu (.071 Vrms) 93 dB SPL 45 - 200 Hz45 - 100 Hz (± 3 dB)40 Hz (- 10 dB)System Output2 SPLOne enclosure 121 dB (continuous) 131 dB (peak)Two enclosures 127 dB (continuous) 137 dB (peak)Four enclosures 133 dB (continuous) 143 dB (peak)Speakers1 x 15’’ weather-resistant loudspeaker (4” voice coil)ELECTRICAL PERFORMANCEInputType Electronically balanced (pin 2 hot)Max Input Level +12 dBu (gain potentiometer at 0 dB position)DSPSampling 24 bit / 48 kHzDynamic Range > 105 dBAAmplifierOutput Power 1 x 1000 W (8 ohms)Gain 32 dBEnclosure• Height 445 mm 17.5’’• Width 520 mm 20.5’’• Depth 520 mm 20.5’’• Net Weight 36 kg 79.4 lbs• Shipping Weight XX kg XX lbs• Shipping Dims 670 x 530 x 600 mm26.4 x 20.9 x 23.6’’• Connectors: 2 x XLR, 2 x PowerCon(input, loop thru)• Material: 18 and 24 mm Baltic birchplywood• Finish: Maroon-gray• Grill: Black epoxy perforated steel withacoustically transparent, technicallyadvancedgrille cloth• Rigging: Integral pole mount support,adjustable U-bracket accessory availableAdditional Equipment• L-ACOUSTICS 108P, 112PloudspeakersSelf-powered single 15”subwoofer enclosureHigh efficiency poweramplifier moduleDigital crossover filteringand equalizationApplication-engineered presetsCompact dimensions, low profileIdeal for portable distributed soundreinforcement, stage monitoring,mediumpower FOH1 System Sensitivity provides the equivalent 1W/m SPL outputaveraged over the system operating bandwidth (gainpotentiometer set to 0 dB)Reference subwoofer forL-ACOUSTICS 108Pand 112P

architectspecificationsThe loudspeaker system shall contain a single 15-inch loudspeakercomponent, front-loaded in an optimally-tuned andvented enclosure suitable for subwoofer applications. Usablefrequency response shall be 45 to 100 Hz with less than ± 3dB variation and -10 dB response at 40 Hz. Loudspeaker portsshall be of large area dimension in order to minimize portnon-linearity and turbulence effects.The subwoofer system shall be the L-ACOUSTICS SB15P.The loudspeaker system shall be the L-ACOUSTICS 108Por112P.The fifteen-inch transducer employed in the enclosure shallhave a 4-inch (100 mm) diameter edgewound copper ribbonvoice coil, 18 mm (0.71 in) peak excursion capability, diecastaluminum frame, massive vented magnet structure and highthermal capacity. The loudspeaker component shall functionwith low thermal power compression, long term reliabilityand low distortion output.The loudspeaker system shall contain internal digital processingelectronics and a mono bridged power amplifier. Thepower amplifier shall provide 1000 W continuous (1 kHz, 0.5%THD) into 8 ohms with thermal protection, short-circuit/overloadoutput protection, clip and RMS signal limiting. Integraldigital signal processing shall provide crossover filtering andsystem equalization for use of the enclosure in conjunctionwith additional self-powered 2-way coaxial enclosures or forarraying multiple enclosures. Up to four application-engineeredpresets shall be selectable via rear-panel push buttonswitch.33Connection to the loudspeaker shall be made via two parallelXLR connectors and gain shall be controllable via rear panelpotentiometer. AC power connectors shall be PowerContype and 115V or 220V operation shall be selectable via rearpanel slider switch.The cabinet shall be constructed of 18 mm (0.7 in) baltic birchand be internally braced with steel corner plates and jointsthat are sealed, screwed and rabbeted in order to remain freeof vibration at extreme sound pressure levels. Dimensionsshall be 445 mm (17.5 in) high, 520 mm (20.5 in) wide and 520mm (20.5 in) deep and enclosure weight shall be 36 kg (79.4lbs). The finish shall be maroon-gray high resilient paint. Thefront of the enclosure shall be protected by a black powdercoated,1.5 mm (0.06 in) thick steel grill that is covered withacoustically-transparent grille cloth.Two recessed handles shall be located on the sides of theenclosure for handling purposes. The enclosure shall havea 36-mm (1.42 in) diameter pole mount socket mountedon the top side. When used in conjunction with a bottomattachment plate, the pole mount socket shall function witha U-bracket accessory for rigging the enclosure in eitherhorizontal or vertical orientations with continuous angularadjustment.accessoriesEtR-sB15P: ETR-SB15P : Adjustable U Bracket for ceiling, wall, truss or scaffold mounting of the SB15P. One end ofthe ETR-SB15P mates with the integral pole mount socket of the enclosure and the pivoting swing arm is attached tothe enclosure via the tilt adjustment knob (which then allows for continuous rotation of the loudspeaker within the Ubracket).

SB118h i g h p o w e r s u b w o o f e rm a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sapplicationsThe L-ACOUSTICS® SB118 is a companion subwooferfor the L-ACOUSTICS MTD and XT loudspeakerlines. With power handling capacity of 600 Wrms(2400 Wpeak) and response to 32 Hz, the SB118 isthe answer for applications requiring exceptionallow end impact from a highly compact, low profileenclosure.For use of the SB118 with the MTD line, subwoofer signal processing is provided by L-ACOUSTICS LLC analog controllers.Alternatively, OEM factory presets for approved digital processors are available for use of the SB118 withthe L-ACOUSTICS XT line.34Important design criteria in the development of theSB118 were maximum SPL output combined withextended low frequency response from an enclosureas compact as possible. Dual- chamber vented,bandpass loading provided the answer.The 18” component employed in the SB118 featureshigh power handling capacity combined with lowdistortion and thermal power compression, all ofwhich contribute to the output SPL performancewhile at the same time providing precise bass definitionand excellent musicality.Due to its highly compact format with minimumfront baffle dimensions and critically damped tuning,multiple SB118 enclosures couple effectivelyboth physically and acoustically to provide optimumlow end impact.Designed for high performance touring, the optimally-reducedfront dimensions of the SB118 allowfor the creation of compact-sized subwoofer arrays.The SB118 is highly suitable for front-of-house (FOH)use in theatres, clubs or multi-purpose venues andprovides an excellent solution for corporate events.As standard, the SB118 includes a built in pole mountsocket that facilitates the creation of a compact FOHsystem when used with MTD or XT enclosures.When combined with the 115FM floor monitor orMTD/XT enclosures, the SB118 is ideal for stagemonitoring applications such as keyboard, side fillor drum fill monitoring due to its discrete, visuallyunobtrusive profile.For permanent installation, the compact dimensionsof the SB118 provide a high° of flexibility whenspace is at a premium.specificationsL-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performance predictionand simulation. Some of these specifications will appear very conservative when compared with other manufacturer’s specifications. Allmeasurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.Frequency ResponseFrequency Response 35 - 100 Hz (± 3 dB) (3W preset)Usable Low Frequency32 Hz (-10 dB)Recommended filtering 80 Hz to 160 Hz (4th order low pass filter)26 Hz (4th order high pass filter)Sensitivity 1(2.83 Vrms @ 1m) 97 dB SPL 35 - 160 HzPower rating 2 Amplification Impedance(Long Term) (Recommended) (Nominal)45 Vrms 250 Wrms 1000 Wpeak 500 W 8 ΩArray 3SPLOne enclosure 125 dB (cont) 131 dB (peak) (3W preset)2 enclosures 131 dB (cont) 137 dB (peak)Four enclosures 137 dB (cont) 143 dB (peak))ComponentsLF1 x 18” loudspeaker(4” edgewound copper ribbon voice coil, diecast aluminum basket, massivevented magnet structure, high thermal capacity)1 Sensitivity is the average SPL measured over the component’srated bandwidth2 Power rating displays the long term RMS power handlingcapacity using pink noise with a 6 dB crest factor over thecomponent’s rated bandwidth3 Array data gives the continuous unweighted SPL output ofthe system under half space conditions, referenced to 1 m,including preset equalizationEnclosure• Width 800 mm 31.5’’• Height 442 mm 17.4’’• Depth 820 mm 32.3’’• Net Weight 63 kg 138.6 lbs• Connectors: 2x 4-pin Neutrik speakon• Material: 18 mm, 24 mm Baltic birchplywood• Finish: Maroon-gray• Grill: Black epoxy perforated steelwith acoustically transparent foam• Rigging: Integrated flying hardwareand handlesAdditional Equipment• L-ACOUSTICS LLC analog controllers(for use with MTD line)• OEM factory presets for approveddigital processors (for use with XT Line)• L-ACOUSTICS LA 24a or LA 48a poweramplifiersSingle 18” subwoofer enclosureDual-chamber, vented bandpass designHigh power handling, high efficiency,low thermal compressionCompact, low profile, optimally-reducedfront dimensionsIntegral rigging for flown applicationsDesigned for touring or fixed installationReference subwoofer for L-ACOUSTICS MTDand XT linesSignal processing via L-ACOUSTICS LLCanalog controllers (MTD line) or OEMfactory presets for approved digitalprocessors (XT line)Optimized for 32 - 160 Hz bandwidth

frequency responsearchitectspecificationsThe loudspeaker system shall contain one 18’’ loudspeakercomponent, loaded in a dual-chamber ventedbandpass configuration suitable for subwoofer applications.Power handling capacity shall be 600 Wrmslong term (2400 Wpeak) at a nominal impedance of 8Ω. Usable frequency response shall be 40 Hz to 160 Hz(± 3 dB) with -10 dB response at 32 Hz referenced to theaverage level of the usable response. The 18’’ transduceremployed in the enclosure shall have a weatherproofcone body, 4’’ (100 mm) diameter edgewound copperribbon voice coil, 10 mm (0.39’’) peak excursion capability,diecast aluminum basket, massive vented magnetstructure and high thermal capa city.The analog controller shall be the L-ACOUSTICSLLC115b-2w when the loudspeaker system is used inconjunction with the L-ACOUSTICS MTD115b operatedin active mode.beamwidth (-6db)accessoriesThe loudspeaker enclosure shall be constructed of 18mm (0.70’’) and 24 mm (0.94’’) baltic birch and be internallybraced with joints that are sealed, screwed andrabbeted in order to remain free of vibration at extremesound pressure levels. Dimensions shall be 442 mm(17.4’’) high,800 mm (31.5’’) wide and 820 mm (32.3’’)deep and the enclosure weight shall be 63 kg (138.6lbs). The finish shall be maroon-gray and the front of theenclosure shall be protected by a black powder-coated,1.5 mm (0.06’’) thick steel grill that is covered with 10mm (0.4’’) thick acoustically transparent foam.SB118PLA: SB118 dolley board (optional for fixedinstallation)SB118COV: Protective coverPION 2: Double stud Aeroquip fitting to ringS B 1 1 8 P L A35The loudspeaker enclosure shall have 2 recessed flytracksections mounted on both sides of the enclosure forrigging purposes. 4 recessed handles shall be locatedon the sides of the enclosure and a front mounted dolleyboard shall attach to the enclosure using 2 lockingpins and 2 front baffle mounted dolley locator studs.The enclosure shall have a 36 mm (1.42’’) diameter polemount socket mounted on the top side.directivity factor qThe loudspeaker system shall be used with a dedicatedanalog controller that provides optimum signal bandlimiting and equalization for use of the loudspeakersystem in conjunction with additional passive 2-way oractive 2-way enclosures. Alternatively, the loudspeakershall be used with an approved digital processor withOEM factory presets for 3-way operation in conjunctionwith additional active 2-way enclosures.impedanceP I O N 2The loudspeaker system shall be the L-ACOUSTICSSB118.The analog controller shall be the L-ACOUSTICSLLC112b-st when the loudspeaker system is used inconjunction with the L-ACOUSTICS MTD112b.The analog controller shall be the L-ACOUSTICSLLC115b-st when the loudspeaker system is used inconjunction with the L-ACOUSTICS MTD115b operatedin passive mode.

SB 28s u b w o o f e rm a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sapplicationsThe SB28 enclosure is a recommended subwoofercompanion for the KUDO, V-DOSC, dV-DOSC, and ARCSsystems, lowering the combined system operatingrange down to 25 Hz.36The SB28 contains two 18’’ direct radiating LF transducersintegrated into a bass-reflex tuned enclosure. Thespecially designed 18’’ transducers provide an exceptionalcone excursion capability combined with lowthermal compression even at the very highest operatinglevels. The bass-reflex vents feature a progressiveprofile allowing for laminar airflow. The association ofthe modern components with the new vents deliversa greatly improved +5 dB SPL output compared to theprevious standards.The control and amplification of the SB28 is managedby the LA8 platform. The DSP filtering encompassesadvanced crossover functions, system EQ, and L-DRIVEthermal and over-excursion protection of the transducers.The L-ACOUSTICS LA8 amplified controller offersthe following drive modes:• The ‘‘standard’’ mode using SB28 as a companion toKUDO, V-DOSC, dV-DOSC and ARCS, featuring a highpass filter at 60 Hz ([SB28_60] preset) or as a companionto dV-DOSC, ARCS with a high pass filter at 100Hz ([SB28_100] preset)• The ‘‘cardioid’’ mode using SB28 as a companion toKUDO, V-DOSC, dV-DOSC, ARCS, featuring a high passfilter at 60 Hz ([SB28_60_C] preset) or as a companionto dV-DOSC, ARCS with a high pass filter at 100 Hz([SB28_100_C] preset).The performance of the SB28 enclosure depends uponthe choice of preset and physical systemconfiguration.Made of high grade Baltic birch plywood, the cabinetalso features industry standard aeroquip rails for columnrigging.specificationsL-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performance predictionand simulation. Some of these specifications will appear very conservative when compared with other manufacturer’s specifications. Allmeasurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.Frequency response (-10dB)Low frequency limit:SPL max levels25 Hz ([SB28_100] preset)To be announcedComponentsLF: 2 x 18’’ weather-resistant, (4’’ coil, aluminium die-castbasket, vented magnet design)Nominal impedance:4 ohmsPhysical data• W x H x D: 1300 x 550 x 700 mm51.2 x 21.7 x 27.6 in• Weight (net): 93 kg 205 lbs• Connectors: 1 x 4 pin NeutrikSpeakon• Material: 18 and 24 mm Baltic birchplywood• Finish: Maroon-gray RAL 8017• Front: cataphoresis-coated steel-madegrill, acoustically transparent ‘‘Airnet’’black cloth• Rigging: integrated rails and handles

architectspecificationsaccessoriesBUMPSUB: Flying bar system designed to rig up to8 SB218 enclosures in a vertical column (includes:4 shackles and 2 flying chains with integral doublestud fittings)SUBPLA: Removable dolley board that protects thefront of the SB218 during transportation (optionalfor fixed installation version)SUBCOV: Protective coverS U B P L A37B U M P S U BB U M P S U BD E TA I LS U B 2 1 8

dV-SUBc o m p a c t h i g h p o w e r s u b w o o f e rm a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sapplicationsThe L-ACOUSTICS® dV-SUB is the companion subwooferfor dV-DOSC and features 3 15’’ transducers loaded ina dual-chamber vented bandpass configuration. Withpower handling capacity of 1200 Wrms and response to35 Hz, dV-SUB is ideal for applications requiring maximumlow end impact from an extremely compact enclosure.38Important design criteria in the development of dV-SUBwere maximum SPL output combined with low frequencyextension from an enclosure as compact as possible.Dualchamber vented bandpass loading providedthe answer. High power handling components also contributeto the SPL performance and since 15’’ transducersare operated in parallel this presents an optimum 2.7 Ωload to the power amplifier.Rigging flexibility was another key consideration anddV-SUB’s integral rigging system allows for the installationof a single flown column of dV-DOSC and dV-SUBenclosures (with dV-SUB flown at the top of the array anddV-DOSC underneath).Although deeper than dV-DOSC, dV-SUB has the samewidth and in keeping with the recommended ratio of3 dV-DOSC: 1 dV-SUB, enclosure height is equivalent toapproximately 3 dV-DOSC. This allows for the creationof physically compact arrays when dV-SUB is flown oneither side of dV-DOSC in a coplanar symmetric arrangement.Either single column or coplanar symmetric flownconfigurations can be used in FOH applications forsmall, medium or large venues and also in large-scalefixed installations such as multiple distributed arrays forstadium or arena sound reinforcement. For theatricalapplications, where visually unobtrusive sound designis critical, dV-DOSC plus dV-SUB is ideal for stereo infill(floor), main left/right (balcony) or center cluster use.The 695 mm (27.4’’) cubic dimensions of dV-SUB arehighly convenient for ground-stacked applicationswhere dV-SUB serves as a stacking platform for dV-DOSC.This combination is also ideal for stage monitoring applicationssuch as sidefill or drum fill. Presets for use ofdV-SUB with the L-ACOUSTICS XT line, 115FM floor monitorand ARCS are also available, offering a wide variety ofenclosure combinations.specificationsL-ACOUSTICS specifications are based on measurement procedures which produce unbiased results and allow for realistic performance predictionand simulation. Some of these specifications will appear very conservative when compared with other manufacturer’s specifications. Allmeasurements are conducted under free field conditions and scaled to a 1 m reference distance unless otherwise indicated.Frequency ResponseFrequency ResponseUsable Low FrequencyRecommended filtering40 - 200 Hz (± 3 dB) (3W 200 preset)35 Hz (-10 dB)80 to 200 Hz (4th order low pass filter)30 Hz (4th order high pass filter)Sensitivity 1(2.83 Vrms @ 1m) 104.5 dB SPL 40 - 200 HzPower rating 2 Amplification Impedance(Long Term) (Recommended) (Nominal)57 Vrms 1200 Wrms 4800 Wpeak 2400 W 2.7 ΩArray 3SPLOne enclosure 133 dB (cont) 139 db (peak) (3W 200 preset)2 enclosures 139 dB (cont) 145 db (peak)Four enclosures 145 dB (cont) 151 db (peak)ComponentsLF3 x 15’’ weather-resistant loudspeaker(3” edgewound copper ribbon voice coil, diecast aluminum basket, massivevented magnet structure, high thermal capacity)1 Sensitivity is the average SPL measured over the system’srated bandwidth2 Power rating displays the long term RMS power handlingusing pink noise with a 6 dB crest factor over the system’srated bandwidth3 Array data gives the continuous unweighted SPL output ofthe system under half space conditions, referenced to 1 m,including preset equalizationEnclosure• Height 708 mm 27.9’’• Width 695 mm 27.4’’• Depth 695 mm 27.4 ’’• Net Weight 93 kg 205.0 lbs• Shipping Weight 107 kg 235.9 lbs• Shipping Dims795 x 790 x 890 mm31.3 x 31.1 x 35.0’’(including dV-SUBPLA)• Connectors: 1x 4-pin Neutrik Speakon• Material: 24 mm Baltic birch plywood• Finish: Maroon-gray• Grill: Black epoxy coated perforatedsteel with acoustically transparent foam• Rigging: Integral flying hardware andhandlesAdditional Equipment• OEM factory presets for approved digitalprocessors (for use with XT or WST Lines)• L-ACOUSTICS LA 48a power amplifierTriple 15” subwoofer enclosureDual-chamber, ventedbandpass designHigh power handling, high efficiency,low thermal compressionCompact, optimally reduceddimensionsIntegral rigging for flown applicationsDesigned for touring orfixed installationReference subwoofer for dV-DOSC,compatible with all L-ACOUSTICSWST, XT modelsSignal processing via OEM factorypresets for approved digital processorsOptimized for 35 - 200 Hz bandwidth

frequency responseaccessoriesarchitectspecificationsThe loudspeaker system shall contain three 15’’ loudspeakercomponents, loaded in a dual-chamber ventedbandpass enclosure suitable for subwoofer applications.Power handling capacity shall be 1200 Wrms long term(4800 Wpeak) at a nominal impedance of 2.7 Ω. Usablefrequency response shall be 40 to 200 Hz (± 3 dB) with -10dB response at 35 Hz referenced to the average level ofthe usable response. The three 15’’ transducers employedin the enclosure shall have a 3’’ (75 mm) diameter edgewoundcopper ribbon voice coil, a weatherproof conebody, diecast aluminum basket, massive vented magnetstructure and high thermal capacity.The loudspeaker enclosure shall be constructed of 24mm (0.94’’) baltic birch and be internally braced withsteel corner plates and joints that are sealed, screwedand rabbeted in order to remain free of vibration atextreme sound pressure levels. Dimensions shall be 708mm (27.9’’) high, 695 mm (27.4’’) wide and 695 mm (27.4’’)deep and the enclosure weight shall be 93 kg (205.0lbs). The finish shall be maroon gray and the front of theenclosure shall be protected by a black powder-coated,1.5 mm (0.06’’) thick steel grill that is covered with 10 mm(0.4’’) thick acoustically transparent foam.beamwidth (-6db)dV-BUMP: Flying bumper for rigging standaloneor with dV-DOSCdV-ANGLESS: Front / rear bar for rigging dV-SUB todV-SUBdV-ANGLESD: Front angle bar for rigging dV-DOSC todV-SUB or dV-SUB to dV-BUMPdV-ANGLESDP: Rear angle bar for rigging dV-DOSC todV-SUBdV-SUBPLA: dV-SUB dolley board (optional for fixed installationversion)dV-SUBCOV: Protective coverdV-PIN25: Locking quick release pin (25 mm grip length)for dV-SUB, dV-DOSC and dV-BUMP interconnectiond V - A N G L E S Dd V - A N G L E S S39The enclosure shall have 2 recessed side panels mountedon both sides of the enclosure for rigging purposes.Accessory flying bars shall be available that allow forrigging of single column arrays. A second set of accessoryflying bars shall allow the enclosure to be rigged incombination with a companion 2-way enclosure. Fourrecessed handles shall be located on the sides of theenclosure and a front mounted dolley board shall attachto the enclosure using 2 locking pins and 2 front bafflemounted dolley locator studs.The loudspeaker system shall be the L-ACOUSTICSdV-SUB.directivity factor qd V - A N G L E S D Pd V - S U B P L Aimpedance

LA4 & LA8A m p l i f i e d C o n t r o l l e r sm a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m s40At the heart of the new L-ACOUSTICS integratedsystem approach, the LA4 and LA8 AmplifiedControllers offer cutting edge loudspeakerAmplification, DSP, Network Control, and comprehensiveSystem Protection in a single ergonomicpackage. Based upon similar platforms the exceptionaland ground breaking performance level deliveredby both the LA4 and LA8 allow for fulloptimization of all L-ACOUSTICS system resourcesand deliver outstanding audio quality combinedwith the best possible transducer protection.Both units offer an integrated approach by combiningthe most advanced amplification, signal processing,network remote control and monitoringtechnologies currently available, and are pre-configuredfor digital multi-channel audio networking.In addition, a powerful and upgradable operatingsystem with an intuitive user interface provides ahigh level of “hands on” system control withoutsacrificing accurate and fast operation under realworld conditions.Packaged in a compact 2U lightweight format chassis,both the LA4 and LA8 platforms are derivative ofthe same basic design and share the followingcharacteristics:• A four-channel high efficiency amplifier sectionfed by two inputs, offering a power levelmatching for L-ACOUSTICS loudspeaker systems.• A DSP section featuring advanced filteralgorithms and an exclusive L-DRIVE protectionsystem for the transducers allowing for optimumsystem performance.• A complete onboard preset library stored in 99memory locations to cover all the principalL-ACOUSTICS loudspeaker system configurations.• An intuitive and ergonomic user interface, fullyaccessible from the front panel for standaloneoperation.• Two I/O Ethernet ports for networking of up to253 units.• The complementary PC-based LA NETWORKMANAGER software (Windows® compatible) withremote network monitoring and control of theLA4 and LA8 units.• A rear-panel plug-in card slot for future multichanneldigital audio networkingimplementation.Specific features of the LA4 and LA8 include:• The LA4 delivers up to 4 x 1000 Wattsinto 4 ohms.• The LA8 delivers up to 4 x 1800 Wattsinto 4 ohms.• Speaker output connectors are specificto each platform.• Each unit carries its own on board presetlibrary specific to the power requirements ofL-ACOUSTICS loudspeaker systems.All L-ACOUSTICS loudspeaker systems now benefitfrom the advanced and exclusive properties of theLA4 and LA8 control platforms. As a result of theintegrated approach all L-ACOUSTICS loudspeakersystems have been enhanced by the superior performanceof high end electronic platforms, allowingfor perfect power matching combinations acrossthe entire product range. The unique ensemble ofon board features such as local or remote control,system status visualization, driver protection, systemconnection, and the addition of external peripheralsare all offered in a secured and standardized environment.This rationalized approach allows for simplesystem operation with the benefit of superior andpredictable audio results.

DSPamplificationuser interfaceNew proprietary algorithms are processed in a SHARC 32bit floating point DSP engine at a 96 kHz sampling rate. Aspecialised engineering approach combining IIR and FIRfilters generates a perfect linearization of phase curves anda significant improvement of the system impulse responsefor an even more natural, transparent, and realistic soundexperience. Two cascaded 24 bit A/D converters on thefront-end yield a ground-breaking encoding dynamic of130 dB.The new L-DRIVE protection feature offers a dual analysisof both signal intensity and voltage in real time and RMS.Under extreme conditions when component membranesreach the over-excursion zone or if the coil ensemble temperaturereaches a critical point, L-DRIVE opens and actsas a power regulator. As a result the amount of power deliveredon to any channel is adjusted to the power handlingcapacity of each individual transducer on the relevantchannel. This optimising the power resources of the systemin use, while presering the highest dynamic range.With a complete preset library accessible in 89 banks and10 additional user presets, the engineer is offered fingertipaccess to all the usual L-ACOUSTICS speaker systemconfigurations.The four amplifier channels driven by two inputs provideoptimum system flexibility. The LA4 and LA8 offer twospecific power ranges (4 x 1000 Watts into 4 ohms perchannel, and 4 x 1800 Watts into 4 ohms per channel respectively)yielding perfect power matching for each individualL-ACOUSTICS loudspeaker system. The built-in technologiesallow for control of the very wide dynamic range found inlive audio productions while the high-efficiency componentsoffer superior reliability all from a sleek ergonomicpackage with exceptional weight/size ratio.IN AIN BThe front panel user interface features extremely fast accessto editing the 2 input and 4 output settings. The rotaryencoder gives instant access to the user menus and theLCD display offers real time visualization of the systemparameters.Command access includes mute, gain, preset selection,plus delay and polarity settings. Navigation through themenu pages is fast and intuitive. Beside the standard onboard preset library the engineer can design and store hisown settings (initialised from a standard preset template)in one of the 10 available user locations.OptimizedIIR/FIRfilters6 BANDCONTOUREQGAINGAIN500 msDELDELPOLPOL2x4MATRIXGAINGAINGAINDELDELDELPOLPOLPOLSystemParameters41GAINDELPOLIIR Filters - Bessel, BTW, LRx NXmaxL-DRIVEθ°CL-DRIVEAMPx NFIR filters - Zero phase shiftOver excursionprotectionThermalprotectionAccessible via “LA NETWORK MANAGER” onlyAccessible via “LA NETWORK MANAGER” and front-panel user interfacedepending on preset typeL-ACOUSTICS parameters

LA4A m p l i f i e d C o n t r o l l e r sm a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sspecifications42155 6 7 84 32 114LA4 Amplified Controller main feature identifications:1 On/Off Switch2 Anti-Dust Cover3 Input selection + Menu keys4 Output selection keys5 LED clip and level BargraphLED Signal presenceLED load6 LED Control L-NET Network7 LCD Screen139 1012118 Nav/Edit Rotary Encoder9 XLR Send Input Link connector10 XLR Input connector11 RJ45 L-NET network socket12 Digital Audio Network slot13 SPEAKON output connectors14 Fan Grill15 A/C connectorThe LA4 amplified controller belongs to the new generation of high-end integrated controllers entirely dedicated to the comprehensiveoperation of L-ACOUSTICS loudspeaker systems. The LA4 combines in a 2U lightweight chassis the resources of a 2 x 4 DSP engine drivingfour channels of amplification delivering up to 1000 W each, a storage capacity of 99 presets, a comprehensive and user-friendly front panelinterface, two I/O Ethernet connection ports for network remote control, a connection panel for audio inputs and speaker outputs, and a digitalI/O audio network optional slot.The LA4 is supplied with the following L-ACOUSTICS preset library drivers• KIVA - KILO• ARCS• 115XT HiQ - 12XT - 8XT• Previous Coaxial models• SB118The LA4 allows full system drive capability via the following features• 89 factory presets including monoor multi-channel configurations in activeor passive modesDSP SHARC 32 bit/floating point, 96 kHz sampling rate• 24 bit A/D converters,130 dB dynamic range of encoding• Combined IIR/FIR Algorithms• Input delay adjustable from 0 to 500 ms4 channel amplifier• Universal switch mode power supply,120 V or 230 V• 4 x 800 W / 8 ohms at 1% THD, all channelsdriven simultaneously (4 x 930 W peak)Audio specifications• Frequency response:10 - 30k Hz, -0.1/+0.15 dB at 8 ohms• Output noise:-73 dBV (20 - 20k Hz, A weighted)• Output dynamic range:111 dB (20 - 20k Hz A weighted)Dimensions• H x W x D:88.1 (2U) x 483 x 420 mm3.5 (2U) x 19 x 16.5 in• A flexible I/O matrix routing between thetwo inputs and the four amplified outputs• Pre-calibrated, 6 filter Contour EQ• L-DRIVE Instant Over-Excursion protection• L-DRIVE, slow mode,long term RMS thermal protection• Fixed Latency = 3.9 ms• 4 x 1000 W/4 ohms at 1% THD, all channelsdrive simultaneously (4 x 1600 W peak)• Gain structure: 32 dB• Max input level: 22 dBu (balanced, THD 1%)• Channel separation: > 90 dB• Input impedance: 22k ohms, balanced• Weight (net): 11.1 kg 24.5 lbs• Finish: black and anthracite grey

LA8A m p l i f i e d C o n t r o l l e r sm a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sspecifications5 6 7 8The LA8 amplified controller belongs to the new generation of high-end integrated controllers entirely dedicated to the comprehensiveoperation of L-ACOUSTICS loudspeaker systems. The LA8 combines in a 2U lightweight chassis the resources of a 2 x 4 DSP engine drivingfour channels of amplification delivering up to 1800 W each, a storage capacity of 99 presets, a user-friendly front panel interface, two I/OEthernet connection ports for network remote control, a connection panel for audio inputs and speaker outputs, and a digital I/O audionetwork optional slot.164 32 11514 13LA8 Amplified Controller main feature identifications:1 On/Off Switch2 Anti-Dust Cover3 Input selection + Menu keys4 Output selection keys5 LED clip and level BargraphLED Signal presenceLED load6 LED Control L-NET Network7 LCD Screen10 98 Nav/Edit Rotary Encoder9 XLR Send Input Link connector10 XLR Input connector11 RJ45 L-NET Network socket12 Digital Audio Network slot13 SPEAKON output connectors14 CA-COM output connectors15 Fan Grill16 A/C connector1211The LA8 is supplied with the following L-ACOUSTICS preset library drivers• V-DOSC - dV-DOSC - KUDO• SB118 - SB28 - SB218The LA8 allows full system drive capability via the following features• 89 factory presets including mono4 way active systems, stereo 2 x 2 wayand hybrid 3 way + sub extensionDSP SHARC 32 bit/floating point, 96 kHz sampling rate• 24 bit A/D converters,130 dB dynamic range of encoding• Combined IIR/FIR Algorithms• Input delay adjustable from 0 to 500 ms• Pre-calibrated, 6 filter Contour EQ4 channel amplifier• Switch mode power supply, 120 V or 230 V• 4 x 1100 W/8 ohms at 1% THD, all channelsdriven simultaneously (4 x 1300 W peak)Audio specifications• Frequency response:10 - 30k Hz, -1.5/+0 dB at 8 ohms• Output noise:-67 dBV (20 - 20k Hz, A weighted)Dimensions• H x W x D: 88.1 (2U) x 483 x 420 mm3.5 (2U) x 19 x 16.5 in• A flexible I/O matrix routing between thetwo inputs and the four amplified outputs• L-DRIVE Instant Over-Excursion protection• L-DRIVE, slow mode,long term RMS thermal protection• Fixed Latency = 3.9 ms• 4 x 1800 W/4 ohms at 1% THD, all channelsdrive simultaneously (4 x 2500 W peak)• Gain structure: 32 dB• Output dynamic range:107 dB (20 - 20k Hz A weighted)• Max input level: 22 dBu (balanced, THD 1%)• Input impedance: 22k ohms, balanced• Weight (net): 12.2 kg 26.9 lbs• Finish: black and anthracite grey43

LA4 & LA8A m p l i f i e d C o n t r o l l e r sm a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m ssystemconfigurationDriving four amplifier output channels through a DSPoffers a wide range of options when it comes to systemconfiguration possibilities. The LA4 and LA8 onboard DSPpreset libraries allow the Sound Engineer a high degreeof flexibility.The factory preset library is derived from 6 basic systemtemplates.44The L-ACOUSTICS loudspeaker preset library is managedbetween the two LA4 and LA8 platforms and the presetallocation for both determined by model, configuration,and application choice.For example, the LA4 factory preset library coversL-ACOUSTICS loudspeaker systems that require up to 800Watts into 8 ohm load or 1000 Watts into 4 ohms in twinparallel transducer configurations. The LA8 factory presetlibrary covers L-ACOUSTICS loudspeaker systems withpower requirements typically up to 1100 Watts into 8ohms or 1800 Watts into 4 ohms in twin parallel transducerconfigurations.

l-net remotecontrol networkThe proprietary L-NET network utilises a high speed data transferof 100 Mbit/sec for real time monitoring and controls each individualLA controller preset in a network of up to 253 units. Multiplenetwork topologies such as daisy-chaining, star, and hybrid, arequickly and easily configurable allowing for total flexibility inachieving the required system architecture. The physical connectionbetween the mainframe PC and the controllers is managedwith CAT5e STP cables and the I/O Ethernet sockets located onthe rear panel of the controller require industry standard RJ45connectors. The use of a universal Ethernet switcher is recommendedfor specific network topologies.digitalaudio networkBoth the LA4 and LA8 are provided with a slot located on the rearpanel designed to accept an optional L-DGA network digital audiocard. The slot allows for the provision of an additional digital inputmodule consisting of a 64 audio channel bus plus one extra channeldedicated to control and monitoring. The extremely low andpredictable latency of this technology combined with proven realworld reliability delivers stable and predictable results in all soundreinforcement applications. The L-DGA card also allows for cascadingof several LA4 and LA8 using the same type of cable as for theL-NET remote control network. The signal routing on the digitalla network managerpc softwareThe application provides network control and monitoring of bothLA4 and LA8 controllers from a PC Windows ® -operating system.The multiple window display gives an overall visualization of thenetwork status, number and groups of controllers, and all theinformation related to the control and monitoring of the networkedunits.Real-time control for parameters such as gain, mute, delay, polarity,presets, either on individual units or at network level are managedon a “tree layout” screen interface with standard drop down menusand multiple visualisations of all user parameters. An exclusivecontour EQ optimization tool is also available allowing quick andeasy tonal balancing of the loudspeaker system.LA NETWORK MANAGER provides system stand-by and initializationcontrol in addition to comprehensive visual monitoring of45

LA48a2 - c h a n n e l p o w e r a m p l i f i e rm a n u f a c t u r e r o f p r o f e s s i o n a l s o u n d s y s t e m sFEATURESThe LA48a is a compact, light-weight power amplifier (2rack units high, 10 kg) designed for high performancetouring and fixed installation. Primarily intended forpowering V-DOSC and SB218 subwoofers, the LA48a iscapable of providing up to 2900 W per channel into 2 Ω.The LA48a can also be configured to match the powerdelivered to a wide range of impedance loads using MinimumLoad Select (MLS) switches, allowing the amplifierto be customized to suit a variety of L-ACOUSTICS loudspeakermodels and applications.transistors are cooled by a patented heatsink systemtermed the Intercooler®. Bipolar output devices aredirectly mounted onto a copper heat sink for improvedheat transfer. The heat sink is then mounted horizontallyin front of a pressure chamber that is created by2 variable speed cooling fans. Specially designed thermalfeedback circuitry protects against thermal breakdownand advanced linear active filtering is employedto reduce carrier noise and distortion in accordancewith the strictest of EMC and RFI standards.46The switch-mode power supply (SMPS) employed inthe LA48a is a modern solution to the weight and sizeproblem. With SMPS technology, it is possible to useferrite transformers instead of the heavy iron transformersand large electrolytic capacitors that are typical ofconventional power amplifiers. Combined with theheat dissipation efficiency of the patented Intercooler®system, this results in a weight reduction of up to 60%when compared with conventional amplifiers of similarpower ratings.Earlier attempts at using SMPS technology for audiowere less than impressive since they directly adoptedthe type of supply found in computers. The LA48a is differentsince a regulated SMPS has been implementedusing push pull conversion without current limitingon the secondary side of the switching transformer.Instead, sense windings inject a magnetic pulse from theAC line during a pulse time segment which is separatefrom the output charge current pulse. The net result is apower supply with performance characteristics that arethe same as a conventional power supply and capableof delivering high peak power, tight bass and detailedtransient response.Using SMPS technology it is also easy to stabilize the DCrailvoltage allowing the LA48a to deliver full power overa range of up to 20% supply voltage swings and at anyAC mains frequency from DC to 400 Hz. This stabilizationis obtained by controlling the magnetic energy inthe ferrite transformer with pulse width processing andmagnetic flux sense windings.The LA48a has an upgraded version of the switchedmode output stage from the LA 24a where the powerThe LA48a is completely short-circuit protected (evenfor reactive loads) and specially designed short-circuitprotection circuitry allows very high peak currentswhile holding transistors within their ”Safe OperatingArea”. This makes it possible to run loudspeakers withimpedance variations that are considerably lower thanthe rated impedance of the power amplifier. 6 moreprotection circuits protect the LA48a and the loudspeakers:DC Protection: 2 types of D.C. protection - fuses on thesupply branches of each channel (IEC 65 requirement)and crowbar type protection that shorts the output.Thermal Protection: Protects the amplifier from overheatingand causing damage to the output stages.Clip Limiter: Prevents severely clipped waveformsfrom reaching the loudspeakers while maintaining fullpeak power.VHF (Very High Frequency) Protection: Protectsthe loudspeaker against non-musical signals outsidethe audible frequency range.AC Protection: Shuts down the outputs if the line voltageis outside the operating voltage of the LA48a.AFS Limiter (Adaptive Fuse Saver): Limits the mainscurrent to a safe level according to the time lag of an 16ampere slow blow fuse.All electronics are mounted on 4 modules that are easilyaccessible for repair or replacement.2 x 1300 W into 8 Ω2 x 2300 W into 4 Ω2 x 2900 W into 2 ΩCompact design, 2 U high (88 mm)Lightweight (10 kg, 22 lbs)MLS switches offer power matchinginto different loadsElectronically balanced inputsLED indicators show outputvoltage and headroomOutput cooledby patented Intercooler®2 proportional speed fansIndependent protection circuitryShort circuit protectionDC protectionClip limitingVHF protectionAFS limiterThermal protectionAC protection

specificationsOutput Power (EIA 1 kHz, 1% THD) 1 MLS Switch SettingLoad Configuration -5 dB -4 dB -2dB 0 dB16 Ω Stereo (2 channel) 220 W 260 W 410 W 650 W8 Ω Stereo (2 channel) 430 W 520 W 820 W 1300 W4 Ω Stereo (2 channel) 830 W 1000 W 1600 W 2300 W2 Ω Stereo (2 channel) 1660 W 2000 W 2400 W 2900 W16 Ω Mono Bridged 860 W 1040 W 1640 W 2600 W8 Ω Mono Bridged 1660 W 2000 W 3200 W 4600 W4 Ω Mono Bridged 3400 W 4000 W 4800 W 5800 WSpeaker ProtectionEach channel is fuse protected on the positive and negative power supply rails. Electronicshort-circuit protection with a progressive characteristic. The output power is turned off forshorted output. The power amplifier can be run into short-circuits for a long time withoutdamage and is open circuit and mismatch proof.Distortion (4 Ω load)THD 20 - 20k Hz and 1 W to full power 0.1 %THD at 1k Hz and -1 dB under clip 0.04 %DIM 30 at -3 dB under clip 0.06 %Power Bandwidth 2 5 - 20 kHzSlew Rate (1 kHz) 20 V/μsOutput Impedance 0.06 ΩHum and Noise below max power< -110 dBAChannel separation 80 dB at 1 kHz70 dB at 10 kHzPhase and DelayDeviation from perfect delay ± 2° (150 -20 kHz)Total delay (input to output at 4 Ω) 19 μsInputsSensitivity (for full output into 4 Ω) 2.40 Vrms (9.9 dBu)Gain 32 dBImpedance 20 k Ω, balancedCommon mode rejection at 1 kHz50 dB1 Specifications measured with 230 V regulated AC2 VHF-protection turns off the channel for frequencies above 12 kHz at full power.Front PanelGain controls (2) Channel A , BOutput display (2) red + (10) green LEDs Fast peak - slow releaseTemp indicator (2) yellow LEDs 80° C at heatsinkVHF indicator (2) yellow LEDs > 12 kHz at full powerOn indicator (2) green LEDs DC rail voltage for channel A and BAC indicator (1) green LED AC mains presentAFS indicator (1) yellow LED Fuse saver activatedRear PanelInput connectors (2) Neutrik Combo XLR type 3 pin female & 1/4” jack and (2)XLR type 3 pin maleOutput connectors(2) Neutrik 4-pole Speakon connectorsSwitches:Clip limiter A and BOn/Off (switchable)MLS0, -2, -4 and -5 dBPower Version 230V Version 115VNominal operating voltage 230 V AC 115 V ACOperating voltage range 130 V - 265 V AC 65 V - 130 V ACMinimum start voltage 175 V AC 85 V ACFull output power at 4 Ω 180 V - 265 V AC 90 V - 130 V ACCurrent Draw at 4 Ω and 230VQuiescent power (no load) 1 Arms 2 Arms1/8 of full power (-9 dB) 6 Arms 12 Arms1/3 of full power (-5 dB) 14 Arms 28 ArmsAt full power (0 dB) at 1 KHz 1% THD 20 Arms (AFS limited) 40 Arms (AFS limited)Net Dimensions mm (‘‘)Shipping Dimensions mm (‘’)Net WeightShipping Weight483 (19”) W x 88 (3.5”) H x 347 (13.7”) D560 (22”) W x 180 (7.1”) H x 500 (19.7”) D10 kg (22 lbs)11.6 kg (25.6 lbs)Approvals CE Emission EN 55 103-1, E3Immunity EN 55 103-2, E3, with S/N below 1% atnormal operation levelSafety EN 60 065, class IETL ANSI / UL STD 6500CAN / CSA E60065-0047

48ACCESSORIES

S y s t e m a p p r o a c hW i t h o v e r t w o d e c a d e s o f e x p e r i e n c e , L - A c o u s t i c s h a sd e v e l o p e d o p t i m i z e d , f u l l - f e a t u r e d s y s t e m s s o l u t i o n st o s o l v e a n y a p p l i c a t i o n c h a l l e n g e . B y e s t a b l i s h i n gr e f e r e n c e s t a n d a r d s y s t e m s , L - A c o u s t i c s s a v e s t h ee n d u s e r d e s i g n a n d p r o c u r e m e n t t i m e w h i l e c r e a t i n g ac o m p a t i b l e p o o l i n t h e m a r k e t .N e x t t o t h e l i v e m a r k e t i s i t a l s o v e r y i n t e r e s t i n gf o r t h e i n s t a l l e d m a r k e t t o h a v e a w i d e r a n g e o fa c c e s s o r i e s t h e m a k e s t h e i n s t a l l a t i o n a s s i m p l e a sp o s s i b l e .49O u r p a c k a g e d s y s t e m s c o m p r i s e :. P r o t e c t i n g c o v e r s. M o u n t i n g b r a c k e t s. O E M f a c t o r y D S P p r e s e t s. S i g n a l d i s t r i b u t i o n , p a n e l s & c a b l i n g. S h o c k i s o l a t e d m o u n t e d a n d f ly a b l e r a c k s. R i g g i n g s y s t e m s

AccessoriesV-DOSC SYSTEMDOSCOVx22 x protective covers for V-DOSCKUDO SYSTEMK-COVx22 x Protective covers for KUDOenclosureBUMP2Flying BUMPER structure forhanging/stacking a V-DOSC arrayK-PLARemovable front dolly on wheelsCHARIOTChariot for 2 x BUMP2, plus accessories50BUMPDELTARigging DELTA PLATE for rearattachment of 2 motors to BUMP2(allows for horizontal pan adjustment)K-BUMPK-LIFTRigging / Stacking bumperfor installing KUDO verticallyRigging bumperfor installing KUDO horizontallyBUMP24 ANGLE strap value : 0,75° or 5,5°BUMP251 ANGLE strap value : 1,3°BUMP25 ANGLE strap value : 2°BUMP26 ANGLE strap value : 3°BUMP27 ANGLE strap value : 4°KIVA SYSTEMKIBURigging element for KIVASPAC251 SPACER value : 1,3SPAC25 SPACER value : 2°SPAC26 SPACER value : 3°KIETCeiling or Pole mountfor a maximum of 2 KIVASPAC27 SPACER value : 4°SPAC28 SPACER value : 5,5°

dV-DOSC SYSTEMFLIGHT-dVFlight case for 3 x dV-DOSCARCS SYSTEMARCSCOVx22 x covers for ARCS elementsdV-BUMPFlying bumper for standalone riggingor flying on top of V-DOSCARCPLARemovable front dolly on wheelsdV-BUMP2dV-DOWNFlying bumper for standalone riggingand permanent installation.(cannot be used on top of V-DOSC)Flying bars (2) for rigging under V-DOSCARCBUMPRigging elementto rig ARCS horizontally51dV-PIN25x66 x Locking quick release pins dV-PIN2525 mm grip lengthLIFTBARRigging Bar for 2 x BUMP3provided with 3 shacklesdV-PIN81x44 x Locking quick release pins dV-PIN8181 mm grip lengthARCOUPLx22 x coupling barsprovided with shacklesdV-ANGLEP1x44 x rear angle bars, dV-ANGLEP1,values: 0,2 - 3,75 - 5,5 - 7,5 degreesARCSTRAPKit of vertical linking elementsfor 2 enclosuresdV-ANGLEP2x44 x rear angle bars, dV-ANGLEP2,values: 1,3 - 4,5 - 6,5 degreesdV-ANGLENx44 x rear angle bars, dV-ANGLEN,for downwards tilt of stackedconfigurationsBUMP3Rigging element providedwith 1 shackle

AccessoriesCOAXIAL SERIESETR115XT Adjustable U bracket for :- 115XT HiQ- 115XTCPL112XTCoupling adapter bars for:- 112XTCPL115XTCoupling adapter bars for:- 115XT HiQ- 115XTETR2Adjustable U bracket for:- MTD 11552XTLIFTBARSingle point rigging barwith 5 pick points for:- 115XT HiQ / 115XT / 112XT / 112PPION11 x single flying stud,aeroquip standard for:- MTD 115b- MTD 112bPION21 x double flying stud,aeroquip standardETR1Adjustable U bracket for:- MTD112bETR112XTAdjustable U bracketETR108Adjustable U bracket for:- MTD 108a- 108P

SUBWOOFERSSUBCOVx22 x covers for SB218 elementsPION21 x double flying stud,aeroquip standardSUBPLARemovable front dolly on wheelsfor SB218BUMPSUB Rigging element for SB 218(For 8 maximum)SB118COVx22 x covers for SB118 elementsETR2 Adjustable U bracket for MTD 11553dv-ANGLESSx44 x front or rear barsfor rigging dV-SUB to dV-SUBSB118PLARemovable front dolly on wheelsdv-ANGLESDx44 x front angle barsfor rigging dV-DOSC to dV-SUBor dV-SUB to dV-BUMPdv-SUBCOV2 x protective covers for dV-SUBdv-ANGLESDPx44 x rear angle barsfor rigging dV-DOSC to dV-SUBdv-SUBPLARemovable front dolly on wheelsdv-PIN25x66 x Locking quick release pins dV-PIN2525 mm grip length

AccessoriesLOUDSPEAKER & MODULATION CABLESv-Dosc dv-Dosc KUDOv-Dosc dv-Dosc KUDODO.7Loudspeaker V-CABLE,8 conductor, 0,7 m length X XCC4FPSpeakon > Speakon adaptorXDO7Loudspeaker V-CABLE,8 conductor,7 m length X XSP.7F-LINK CABLE, 4x4mm2,speakon connectors,0,7 m lengthXDO25Loudspeaker V-CABLE,8 conductor, 25 m length X XSP7F-CABLE, 4x4mm2,speakon connectors,7 m lengthXDOSUBLoudspeaker SUB CABLE,5 m length, for 4 subs X XDOM26 pair multiconductor cableAMP LINK, 2 m length X X X54DO10PLoudspeaker SUB CABLEEXTENSION, 10 m length X XDOM306 pair multiconductor cableCROSS LINK, 30 m length X X XDOS.78x4mm2, LoudspeakerCable, NL8 connectors0,70 m lengthXDOMPMale/male adapterLINK-EXTEND,for AMP & CROSS LINKX X XDOS108x4mm2, LoudspeakerCable, NL8 connectors10 m lengthXDOMMMultipair cable adapterLINK-BREAKOUT,6 XLR3 maleX X XDOS258x4mm2,Loudspeaker Cable,NL8 connectors25 m lengthXDOMFMultipair cable adapterLINK-BREAKOUT,6 XLR3 femaleX X XDOSFILLCA-COM8 > NL8 Cableadapter, 1 m lengthXMC2810028 pair multiconductor cableMULTI, 100 m length X X XDO2W CA-COM > Speakon (2)V-DOSC AMP PANEL adapter,1 m lengthXSP25F-CABLE, 4x4mm2,speakon connectors,25 m lengthXDO3W CA-COM > Speakon (3)V-DOSC AMP PANEL adapter,1 m lengthXDO3WFILL CA-COM > Speakon (3)V-CABLE adapter,3 m lengthXDOFILL CA-COM > Speakon (2)V-CABLE adapter,3 m lengthX

Technical SpecificationsModelV-DoscdV-DoscTechnologyWST® line source(zie KUDO&ARCS)WST® line source(zie KUDO&ARCS)Impedance(nominal)Active/PassiveLF driver HF Medium HF driverFrequencyResp.(±3dB)Recommendedamplification8-16 Ω Active 2x15’’ 4x7’’ 2x1,4’’ 50 - 18k Hz LA 88 Ω Active 2x8’’ - 1x1,4’’ 160 - 18k Hz LA 8KUDO WST® line source 8 Ω Active 2 x 12 ‘’ 4 x 5 ‘’ 2 x 1 ‘’ 50 - 18k Hz LA 8System Outputcontinuous SPLOne enclosure 134 dBTwo enclosures 140 dBFour enclosures 146 dBOne enclosure 127 dBTwo enclosures 133 dBFour enclosures 139 dBOne enclosure 130 dBTwo enclosures 136 dBFour enclosures 142 dBKIVA WST® line source 8 Ω Active 2x 6,5” - 1x1,5” 50-20k Hz LA 4 121 dBNominal directivity(-6 dB)H. Symmetrical: 90°V. defined by the arrayH. Symmetrical: 120°V. defined by the arrayH. symmetrical:50° - 105 (± 5°)H. asymmetrical:25°/55° - 55°/25°V. : 0° to 10° interenclosureangles at 1°resolution100 degreesSymetricDimensions (mm)Height Width DepthWeight(kg)434 1300 565 108257 695 476 31,8876 356 689 87175 520 358 1356KILO WST® line source 8 Ω Active - - 50 Hz LA 4 - - 353 520 358 19ARCS WST® line source 8 Ω Active 15 ‘’ - 1,4 ‘’ 63 - 18k Hz LA 4One enclosure 128 dBTwo enclosures 133 dBFour enclosures 137 dBH. symmetrical: 22,5°V. asymmetrical:20° down / 40° up820Front 440Rear 190652 578 XT Coaxial Enclosure 8 Ω Active 1x8” - 1x 1,5” 65-20 kHz LA 4 - Axi symetric 422 250 271 1112 XT Coaxial Enclosure 8 Ω - 1x12” - 1x 3” 55-20 kHz LA 4 - Axi symetric 540 410 389 29115XT HiQ High powercoaxial 8 Ω Active 15 ‘’ - 1,4 ‘’ 65 - 18k Hz LA 4 129,5 dB mode MonitorAxi-Symmetrical50° (± 10°)365 580 446 28,5108P Self powered Coaxial 8 Ω Active 1x8” - 1x 1” 65-20 kHz LA 4 115 dB Axi symetric 421 250 299 12.8112P Self powered Coaxial 8 Ω Active 1x12” - 1x 14” 60-18 kHz LA 4 121 dB Axi symetric 540 416 390 32.2Sub 15P - 8 Ω Active 1x 15” - - 45-100 Hz LA 4 121 dB - 445 520 520 36SB118Dual-chamber ventedbandpass subwoover8 Ω - 18» - - 35 - 100 Hz LA 4 125 dB one enclosure - 442 800 820 63SB 28 - 8 Ω Active 2x 18” - - 25 Hz LA 8 135 dB one enclosure - 550 1300 700 93dV-SUBDual-chamber ventedbandpass subwoofer2,7 Ω - 3 x 15 ‘’ - - 40 - 200 Hz LA 8 133 dB one enclosure - 708 695 695 93