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Krell Industries KAV-250a/3 manual Front Panel Description KAV-250a, Power Button, Power LED

Models: KAV-250a/3

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Page 9

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Front Panel Description: KAV-250a

See Figure 1 on page 4

1 Power Button

Usethis button to turn the KAV-250apoweron andoff andalso to switch the 12 VDC output (12 V trigger) onandoff.

2 Power LED

Theblue powerLEDilluminates whenthe amplifier is on.

KAV-250aand KAV-250a/3Amplifiers

Page 9

Image 9

Krell Industries manual Front Panel Description KAV-250a, Power Button, Power LED, KAV-250aand KAV-250a/3Amplifiers

Contents

KAV-250a/3 KAV-250aInstructionsfor Use,v Owners ReferenceKAV-250a/3 Three-ChannelPower Amplifier KAV-250aStereoPower Amplifier andCover KAV-250a/3 Three-ChannelPower Amplifier Instructions for UseContentsPage FIGURE1 The KAV-250aFrontPanel IllustrationsPageFIGURE2 The KAV-250aBackPanel FIGURE3 The KAV-250a/3FrontPanelDefinition of Terms IntroductionMulti AmpThroughput BridgingUnpacking AC POWER GUIDELINES PlacementFIGURE 1 THE KAV-250aFRONTPANEL 1PowerButton1 Power Button Front Panel Description KAV-250a2 Power LED KAV-250aand KAV-250a/3AmplifiersFIGURE 2 THE KAV-250aBA K PANEL PowerBalancedInputs FusesSee Figure 2 on page6 Back Panel Description KAV-250aBalanced Inputs 3, 4 InputsBackPanelDescription,continued Power SupplyRemoteControls 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 See Figure 4 on page11 BackPanel Description KAV-250a/3Balanced Inputs 16, 17, 18 Inputs2712 VDCRemotePower Out 2812 VDCRemotePower In Power Supply29 IEC Power Connector BackPanelDescription,continuedINPUT AND OUTPUT CONNECTIONS Optional SystemConfigurations Before Reconfiguringfor MATor Bridged OperationMULTI AMP THROUGHPUT PCboards showing bridged jumper configuration PCboards showing MATjumper configurationPowersupply PCboards Right LeftRightConnecting the KAV-250aReconfiguredfor MAT Reconfiguring the KAV-250aforMATReconfiguring the KAV-250a/3forMAT See Figure 5 on page16Connecting the KAV-250a/3Reconfigured for MAT See Figure 4 on page11KAV-250aand KAV-250a/3Amplifiers on page21 Powersupply PCboards showing MATjumper configurationLeftCenterRight on page21Connecting the Bridged KAV-250a Reconfiguring the KAV-250aforBridged OperationBRIDGED OPERATION SeeFigure 5 on page16Connectingthe Bridged KAV-250a/3 Reconfiguringthe KAV-250a/3forBridged OperationSee 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 ON/OFF AND OPERATION Amplifier OperationHOW TO TROUBLESHOOT SYSTEM NOISE Amplifier TroubleshootingKAV-250aand KAV-250a/3Amplifiers Question and AnswerWarranty To register your product for warranty benefitscomplete and return the Warranty ReturnAuthorization Procedure SIGNAL TO NOISE RATIO A WEIGHTED SpecificationsOUTPUT POWER, EACH CHANNEL DRIVEN BRIDGED POWER CONSUMPTION INPUTS OUTPUTS DIMENSIONSSIGNAL TO NOISE RATIO A WEIGHTED KAV-250a/3Three-ChannelAmplifierOUTPUT POWER, EACH CHANNEL DRIVEN BRIDGED POWER CONSUMPTION INPUTS OUTPUTS DIMENSIONSKAV-250a/3 KAV-250aStereo Power Amplifier Three-ChannelPower Amplifier