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Krell Industries KAV-250a/3 manual Stereo Power Amplifier, Three-ChannelPower Amplifier

Models: KAV-250a/3

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KrellIndustries,Inc.

45 ConnairRoad

Orange, CT 06477-3650USA

TEL203-799-9954

FAX203-799-9796

E-MAILkrell@krellonline.com

WEBSITEhttp://www.krellonline.corn

KAV-250a

Stereo Power Amplifier

KAV-250a/3

Three-Channel Power Amplifier

Page 36

Image 36

Krell Industries KAV-250a/3 manual Stereo Power Amplifier, Three-ChannelPower Amplifier

Contents

KAV-250a KAV-250a/3Instructionsfor Use,v Owners ReferenceKAV-250aStereoPower Amplifier and KAV-250a/3 Three-ChannelPower AmplifierCover KAV-250a/3 Three-ChannelPower Amplifier Instructions for UseContentsPage IllustrationsPage FIGURE1 The KAV-250aFrontPanelFIGURE2 The KAV-250aBackPanel FIGURE3 The KAV-250a/3FrontPanelIntroduction Definition of TermsMulti AmpThroughput BridgingUnpacking Placement AC POWER GUIDELINES1PowerButton FIGURE 1 THE KAV-250aFRONTPANELFront Panel Description KAV-250a 1 Power Button2 Power LED KAV-250aand KAV-250a/3AmplifiersPower FIGURE 2 THE KAV-250aBA K PANELBalancedInputs FusesBack Panel Description KAV-250a See Figure 2 on page6Balanced Inputs 3, 4 InputsPower Supply BackPanelDescription,continuedRemoteControls 1112 VDCRemotePower Out 1212 VDCRemotePower In14PowerButton 15Power LED FIGURE3 THE KAV-250a/3FRONTPANEL1415 Front Panel Description KAV-250a/3 14 Power Button15 Power LED ZOO0 THE KAV-250a/3BACK PANEL BackPanel Description KAV-250a/3 See Figure 4 on page11Balanced Inputs 16, 17, 18 InputsPower Supply 2712 VDCRemotePower Out 2812 VDCRemotePower In29 IEC Power Connector BackPanelDescription,continuedINPUT AND OUTPUT CONNECTIONS Optional SystemConfigurations Before Reconfiguringfor MATor Bridged OperationMULTI AMP THROUGHPUT PCboards showing MATjumper configuration PCboards showing bridged jumper configurationPowersupply PCboards Right LeftRightReconfiguring the KAV-250aforMAT Connecting the KAV-250aReconfiguredfor MATReconfiguring the KAV-250a/3forMAT See Figure 5 on page16Connecting the KAV-250a/3Reconfigured for MAT See Figure 4 on page11KAV-250aand KAV-250a/3Amplifiers PCboards showing MATjumper configuration on page21 PowersupplyLeftCenterRight on page21Reconfiguring the KAV-250aforBridged Operation Connecting the Bridged KAV-250aBRIDGED OPERATION SeeFigure 5 on page16Reconfiguringthe KAV-250a/3forBridged Operation Connectingthe Bridged KAV-250a/3See Figure 6 on page19 See Figure 4 on page11High PowerMonoOperation EXAMPLESOF CONNECTIONSCENARIOSinput Power Biamplification Stereo, 2-channel Examples of Connection Scenarios, continuedKAV-250aand KAV-250aJ3Amplifiers Multi Power Mode Examplesof ConnectionScenarios, continuedKAV-250aand KAV-250aJ3Amplifiers Amplifier Operation ON/OFF AND OPERATIONAmplifier Troubleshooting HOW TO TROUBLESHOOT SYSTEM NOISEQuestion and Answer KAV-250aand KAV-250a/3AmplifiersWarranty To register your product for warranty benefitscomplete and return the Warranty ReturnAuthorization Procedure Specifications SIGNAL TO NOISE RATIO A WEIGHTEDOUTPUT POWER, EACH CHANNEL DRIVEN BRIDGED POWER CONSUMPTION INPUTS OUTPUTS DIMENSIONSKAV-250a/3Three-ChannelAmplifier SIGNAL TO NOISE RATIO A WEIGHTEDOUTPUT POWER, EACH CHANNEL DRIVEN BRIDGED POWER CONSUMPTION INPUTS OUTPUTS DIMENSIONSKAV-250a KAV-250a/3Stereo Power Amplifier Three-ChannelPower Amplifier