Manuals / Krell Industries / Home Audio / Stereo Amplifier

Krell Industries KAV-250a/3 manual ContentsPage

Models: KAV-250a/3

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ContentsPage

INTRODUCTION'		1
DEFINITION OF TERMS		1
UNPACKING		2
PLACEMENT		3
ACPowerGuidelines		3
FRONTPANEL DESCRIPTION: KAV-250a		5
BACK PANELDESCRIPTION: KAV-250a		7
FRONTPANEL DESCRIPTION: KAV-250a/3		10
BACKPANELDESCRIPTION: KAV-250a/3		12
CONNECTINGTHE KAV-250a or KAV-250aJ3 AMPLIFIER
TO YOUR SYSTEM		14
Input and Output Connections		14
OPTIONAL SYSTEM CONFIGURATIONS		15
Multi	AmpThroughput	15
Bridged Operation		20
Examplesof Connection Scenarios		22
AMPLIFIER OPERATION		25
On/Off and Operation		25
AMPLIFIER	TROUBLESHOOTING	26
Howto	Troubleshoot SystemNoise	26
QUESTION AND ANSWER		27
WARRANTY		28
RETURN AUTHORIZATION PROCEDURE		29
SPECIFICATIONS		30

KAV-250aand KAV-250a/3Amplifiers

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Contents

Owners Reference KAV-250aKAV-250a/3 Instructionsfor Use,vInstructions for Use KAV-250aStereoPower Amplifier andKAV-250a/3 Three-ChannelPower Amplifier Cover KAV-250a/3 Three-ChannelPower AmplifierContentsPage FIGURE3 The KAV-250a/3FrontPanel IllustrationsPageFIGURE1 The KAV-250aFrontPanel FIGURE2 The KAV-250aBackPanelBridging IntroductionDefinition of Terms Multi AmpThroughputUnpacking AC POWER GUIDELINES PlacementFIGURE 1 THE KAV-250aFRONTPANEL 1PowerButtonKAV-250aand KAV-250a/3Amplifiers Front Panel Description KAV-250a1 Power Button 2 Power LEDFuses PowerFIGURE 2 THE KAV-250aBA K PANEL BalancedInputs3, 4 Inputs Back Panel Description KAV-250aSee Figure 2 on page6 Balanced Inputs1112 VDCRemotePower Out 1212 VDCRemotePower In Power SupplyBackPanelDescription,continued RemoteControls14PowerButton 15Power LED FIGURE3 THE KAV-250a/3FRONTPANEL1415 Front Panel Description KAV-250a/3 14 Power Button15 Power LED ZOO0 THE KAV-250a/3BACK PANEL 16, 17, 18 Inputs BackPanel Description KAV-250a/3See Figure 4 on page11 Balanced InputsBackPanelDescription,continued Power Supply2712 VDCRemotePower Out 2812 VDCRemotePower In 29 IEC Power ConnectorINPUT AND OUTPUT CONNECTIONS Optional SystemConfigurations Before Reconfiguringfor MATor Bridged OperationMULTI AMP THROUGHPUT LeftRight PCboards showing MATjumper configurationPCboards showing bridged jumper configuration Powersupply PCboards RightSee Figure 5 on page16 Reconfiguring the KAV-250aforMATConnecting the KAV-250aReconfiguredfor MAT Reconfiguring the KAV-250a/3forMATConnecting the KAV-250a/3Reconfigured for MAT See Figure 4 on page11KAV-250aand KAV-250a/3Amplifiers on page21 PCboards showing MATjumper configurationon page21 Powersupply LeftCenterRightSeeFigure 5 on page16 Reconfiguring the KAV-250aforBridged OperationConnecting the Bridged KAV-250a BRIDGED OPERATIONSee Figure 4 on page11 Reconfiguringthe KAV-250a/3forBridged OperationConnectingthe Bridged KAV-250a/3 See Figure 6 on page19High 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 POWER CONSUMPTION INPUTS OUTPUTS DIMENSIONS SpecificationsSIGNAL TO NOISE RATIO A WEIGHTED OUTPUT POWER, EACH CHANNEL DRIVEN BRIDGEDPOWER CONSUMPTION INPUTS OUTPUTS DIMENSIONS KAV-250a/3Three-ChannelAmplifierSIGNAL TO NOISE RATIO A WEIGHTED OUTPUT POWER, EACH CHANNEL DRIVEN BRIDGEDThree-ChannelPower Amplifier KAV-250aKAV-250a/3 Stereo Power Amplifier