JBL_225W大功率低音炮电路图

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1、Balboa™SeriesSUB10PoweredSubwooferServiceManualJBLConsumerProducts250CrosswaysParkDr.Woodbury,NewYork11797Rev010/2006BALBOAseriesSUB10-CONTENTS-BASICSPECIFICATIONS…………….……..…………..1PACKING……..………………….….….…………..……...2DETAILEDSPECIFICATIONS……….……..…………..3CONNECTIONS……

2、…………………...……..…...…..…5OPERATION……..………………….……...…….….…...7TESTSET-UPANDPROCEDURE….…………………..8EXPLODEDVIEW/PARTSLIST…………………………9AMPLIFIERBLOCKDIAGRAM…………………………10DETAILEDTROUBLESHOOTING……………………..12ELECTRICALPARTSLIST..……….……….……….…13P.C.B.DRAWINGS……………………………………….17IC/

3、TRANSISTORPINOUTS..……..….…….….….….….23SCHEMATICS……………………….……………………24BALBOASUB10SPECIFICATIONSAmplifierPower(RMS):100WattsPeakDynamicPower*:225WattsDriver:10"(254mm)Inputs:LineLevelandLFECrossoverFrequency:Variablefrom50Hzto150Hz,24dBperoctaveFrequencyResponse:30Hz–

4、150HzDimensions(HxWxD):19-3/4"x14-1/16"x14-3/4"(502mmx357mmx375mm)Weight:35lb/16kgJBLcontinuallystrivestoupdateandimproveexistingproducts,aswellascreatenewones.ThespecificationsanddetailsinthisandrelatedJBLpublicationsarethereforesubjecttochangewithoutnotice.*ThePe

5、akDynamicPowerismeasuredbyrecordingthehighestcenter-to-peakvoltagemeasuredacrosstheoutputofaresistiveloadequaltominimumimpedanceofthetransducer,usinga50Hzsinewaveburst,3cycleson,17cyclesoff.1BALBOAseriesSUB102BALBOAseriesSUB10BalboaSub10100WPoweredSub/PlateAmpLINEV

6、OLTAGEYes/NoHi/LoLineUnitNotesUS120VAC/60HzYes108-132VrmsNormalOperationEU230VAC/50-60HzYes207-254VrmsNormalOperationNormaloperation,MOMSrequiredParameterSpecificationUnitQATestLimitsConditionsNotesAmpSectionType(120VModel)ABABN/A120VSystemisClassABType(230VModel)G

7、HN/A230VSystemisClassGLoadImpedance(speaker)4OhmsN/ANominalMeasuredwithAPusingtheratiomethod,sweepingwithanext.amp10toAverageontheoperatingBWfrom10toSystemaverageimpedance8.2OhmsReference500Hz500HzRatedOutputPower120V100Watts95@NominalinputvoltageRatedOutputPower23

8、0V105Watts100@Nominalinputvoltage3/2050HzBurstunitdriven6dBabovethesensitivitytodriveitintomaxpower,Avgeragevalue-RMSmeasuredvalueistheaverageoft