PRECISION TRANSDUCERS - Oktava

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MID-BASSMB8G200Professional Low Frequency TransducerThe MBG200 is a professional mid-bass woofer featuring very high output anddynamics. The equipment, used a 2” coil, fibreglass former and copper inside/outsidewinding, has enabled a very good transient peak response and has allowed goodextension on mid-high frequencies. A specially designed M-roll surround guaranteea very low midrange distortion and perfect damping of the spurious resonances.Inverted dust cap for minimum cone break-up.PART NUMBER 11100018Features2-inch, fiber glass former, copper voice coil400 Watt continuous program power handling94 dB SensitivityApplicationsThe MBG200 is the ideal low frequency transducer for very compact, high efficiency,bass reflex systems where the maximum dynamic is required. Specially designedfor 2 way satellite systems.60 Hz - 4 kHz Frequency rangeExponential, high strengthM-roll damped surround6040006420 100 1.000 10.000 20.000
4 holes ø 6,5 mmon ø 221 mmGeneral Specifications90 mm208 mm9 mmNominal DiameterRated ImpedanceProgram Power 1Power handling capacity 2Sensitivity 3Frequency RangeEffective Piston DiameterMax Excursion Before Damage (peak to peak)Minimum ImpedanceVoice Coil DiameterVoice Coil MaterialVoice Coil Winding DepthNumber of layersKind of layerTop Plate ThicknessCone MaterialCone DesignSurround MaterialSurround DesignThiele - Small Parameters4200/884002009460 - 4000165/6.530/1.26.251/2Copper16/0.62outside8/0.3No pressed pulpCurvedPolycottonM - rollmm/inchohmWattsWattsdBmm/inchmm/inchohmmm/inchmm/inchSPL, 1w/1m (dB)1101009080ø 134 mmø 183 mmResonance frequencyDC resistanceMechanical factorElectrical factorTotal factorBL FactorEffective Moving MassEquivalent Cas air loadEffettive piston areaMax. linear excursion (mathematical) 5Voice - coil inductance @ 1KHzHalf-space efficiencyFsReQmsQesQtsBLMmsVasSdXmaxLe1KEff764.83.70.370.3312.525110.0216.01.41.26HzohmT · mgrlitersm2mmmH%Impedance (ohms)3161001020 100 1.000 10.000 20.000Frequency (Hz)Frequency response curve of the loudspeaker taken in a hemispherical, free field environment and mounted in aclosed box with an internal volume of 600 litres (21,2 cu.ft) enclosing the rear of the driver.Mounting InformationOverall DiameterBolt Circle DiameterBolt Hole DiameterFront Mount Baffle Cut-outRear Mount Baffle Cut-outDepthVolume occupied by the driver 6239/9.4221/8.76.5/0.3184/7.24184/7.2495/3.70.8/0.03mm/inchmm/inchmm/inchmm/inchmm/inchmm/inchliters/ft3Shipping Information20 100 1.000 10.000 20.000Frequency (Hz)Impedance magnitude curve measured in free air.Net WeightShipping Weight3.1/6.83.3/7.3Kg/LbsKg/LbsNotes to Specifications1 Program Power is defined as 3 dB greater than AES power. - 2 AES standard. - 3 Sensitivity measurement is based on a 200-2 kHz pink noise signal with input power of 2.83V @ 8 Ohms. - 4 Thiele-Small parameters are measured after a 2hour warm up period running the loudspeaker at full power handling capacity. - 5 The maximum linear excursion is calculated as: (Hvc - Hg)/2 + Hg/4 where Hvc is the voice coil depth and Hg the gap depth. - 6 Calculated for front mountingon 18 mm thick board.65
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PRECISION TRANSDUCERS2006the rules
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Page 31 and 32: 8 x ø 8 mm holes to 45°on 438 mm1
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Page 35 and 36: 8 x ø 6.5 mm holes to 45°on 371 m
Page 55 and 56: 8 holes ø 7 mm to 45°on ø 296 mm
Page 57 and 58: 8 holes ø 6,5 mm to 45°on ø 293
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Page 65: 8 holes ø 7 mm to 45°on ø 242 mm
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Page 88: 03/2006the rules of soundcod. 10116
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