Sony C-47 Service Manual

OT SS ESMICROPHONEPOWERSUPPLYUNITSPECIFICATIONSType:C-47 Variabledirectivitycondensermicrophone**-TheexternalmagneticfieldinductionnoiseisPowerrequirements:Battery operation:measuredwiththemicrophoneplaceadinanNormaloperatingvoltage:6VDCalternatingmagneticfieldof50 Hz,1mgauss.Minimumoperatingvoltage:Approx.4.5VDCThemaximumnoise valueisobtainedandthenCurrentdrain:Lessthan 40mAconvertedtotheequivalentinputsoundlevel.:|(0dB=2x10°“ubar)Batterylife:Approx.150hours withSonylong-lifebatteriesOdB=2xHuetAC operation: Power requirements 120 V AC, 60 Hz (US model) Maximum220—240 V, 50/60 Hz (E model) sound pressurePower consumption 3 W input level: Approx. 154 dB SPL (20—20,009 Hz)Directivity:|Uni-directional andOmni-directionalvariableDynamicrange:Approx.130dBOutputimpedance:502+20%,1,000Hz,balanced=wirenmentelOutputlevel:Effectiveoutputlevel:—43dBmtemperatures:aonas140°Fforstorage(0dBm=1mW/1Oubar, 1,000Hz}39°eas140.FforoperationOpencircuitvoltage:0.82mV/ubar,at1,000HzMicrophonecable:5.8mm(4)dia.,4-conductorshieldedOutputleveldeviationis=2dB.cable:Recommended load impedance is more than 3 k{2. 10 ft with CANNONFrequency response: 30 Hz — 18,000 Hz XLER-5-12C connectorNoiselevel:S/Nratio:Morethan 50dB (1,000Hz, iubar)Mountingthread:PF%Inherentnoise:Lessthan 24oieDimensions:See page2.=aba‘1ee (OR =2 5:10. HpaI) Weight: Microphone 500g, 1 Ib 202Wind noise * Less than-45 €B SPL 2 a _induce Power supply VOOOG. 2 ie 202poe noise (without batteries)from externa!magnetic field «2. Less than —20 dB SPL/m gaussWind noise is the value measured by applyinga wind. velocity of 6.6 ft/second from all di-rections on the microphone. The mean value isobtained and converted to the equivalent inputsound level. (0 dB =2 x 10 ubar]