PRECISION TRANSDUCERS - Oktava

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MID-BASSMB12G301Professional Low Frequency TransducerHigh efficiency 12” mid-bass. Very high sensitivity, excellent linearity and very lowdistortion.Voice coil construction, suspensions and cone materials designed to survive at 400Watt RMS power.PART NUMBER 11100017Features3-inch inside-outside aluminum voice coil800 Watt continuous program power handling98 dB SensitivityApplicationsA very light moving mass, a curve response linear above 3 kHz makes the MB12G301a very good solution for high quality two or three way system.The aluminum voice coil guarantee a very high efficiency in conjunction to a properQ factor for a good bass response.50 Hz - 3 kHz Frequency rangeM-roll surround and exponential cone geometry5030005620 100 1.000 10.000 20.000
8 holes ø 6,5 mm to 45°on ø 293,5 mm and on ø 304 mmGeneral Specifications133 mmø 320 mm13 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 Design300/1288004009850 - 3000260/10.238/1.497.276/3Aluminium16/0.62inside/outside10/0.4No pressed pulpCurvedPolycottonM - rollmm/inchohmWattsWattsdBmm/inchmm/inchohmmm/inchmm/inchThiele - Small Parameters4SPL, 1w/1m (dB)1101009080ø 200 mmø 280 mmResonance frequencyDC resistanceMechanical factorElectrical factorTotal factorBL FactorEffective Moving MassEquivalent Cas air loadEffettive piston areaMax. linear excursion (mathematical) 5Voice - coil inductance @ 1KHzHalf-space efficiencyFsReQmsQesQtsBLMmsVasSdXmaxLe1KEff535.44.70.280.271748720.0535.50.73.69HzohmT · mgrlitersm 2mmmH%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 6320/12.6293,5-304/11.5-126.5/0.3282/11.1284/11.2138/5.42.6/0.09mm/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 Weight7.3/16.28.1/18.0Kg/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.57
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PRECISION TRANSDUCERS2006the rules
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Page 88: 03/2006the rules of soundcod. 10116
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