Crown Audio CH Series operation manual CH and CL Series

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CH and CL Series

CH1

CH2

CH4

Operation Manual

CL1

CL2

CL4

Obtaining Other Language Versions: To obtain information in another language about the use of this product, please contact your local Crown Distributor. If you need assistance locating your local distributor, please contact Crown at 574-294-8000.

This manual does not include all of the details of design, production, or variations of the equipment. Nor does it cover every possible situation which may arise during installation, operation or maintenance.

The information provided in this manual was deemed accurate as of the publication date. However, updates to this information may have occurred. To obtain the latest version of this manual, please visit the Crown website at www.crownaudio.com.

Trademark Notice: Crown, Crown Audio, Amcron, and BCA are registered trademarks of Crown International. Other trademarks are the property of their respective owners.

Some models may be exported under the name Amcron.®

©2006 by Crown Audio® Inc., 1718 W. Mishawaka Rd., Elkhart, Indiana 46517-9439 U.S.A. Telephone: 574-294-8000

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Contents Some models may be exported under the name Amcron CH and CL SeriesUse only with a cart, stand, tripod, bracket, or Important Safety InstructionsCrown International, Inc Safety StandardEuropean Representatives Name and Address EMC StandardsTable of Contents How to Use This Manual FeaturesWelcome Unpack Your Amplifier Install Your Amplifier SetupChoose Output Wire and Connectors Choose Input Wire and ConnectorsReinstall no-touch cover to maintain safety Model CH4 Models CH1 and CH2 Switch SettingsRefer to .5 for output connector pin assign- ments Wire Your System Models CH1 & CH2 Stereo ModeModels CH1 & CH2 140V Bridge Mode Model CH4 Bridge Mode Model CH4 Stereo ModeInputs Connect input wiring to Channel Models CL1 & CL2 Stereo Models CL1 & CL2 Bridge ModeModel CL4 Bridge Mode Model CL4 Stereo ModeInputs Connect input wiring to CH1 Startup Procedure All Models How to Parallel the Inputs in Stereo ModeScrew terminal Connect to AC MainsOperation PrecautionsCH and CL Series Front Panel Controls and Indicators Operation Speed Fan-On-Demand If the amplifier output stage stops operating IndicatorsControls Advanced Features Options SST-3632 SST-4622SST-4632 Location of Fault Jack Fault MonitoringAttenuation in dB Precision Detented Level ControlsCH1, CH2, CL1 and CL2 Principles of OperationModels CL1 & CL2 Circuit Block Diagram Power Indicator LED is driven from the low-voltage supplyModel CH4 Circuit Block Diagram CH4 and CL4 Audio Signal PathModel CL4 Circuit Block Diagram Power Supply Operation Amplifier output wires have developed a short circuit TroubleshootingFlashing 120V/60 Hz Units, Bridge mono mode SpecificationsOhms 450W KHz at rated THD Ohms 560WOhms 275W 600WModel CL1 & CL2 CH and CL Series Power Amplifiers Models CH4 & CL4 Damping Factor Typical Output Impedance Following equation is used to calculate thermal dissipation AC Power Draw Thermal DissipationAC Power Draw Thermal Dissipation AC Power Draw Thermal Dissipation CL2 Service 12/01 WarrantyWorldwide Except USA & Canada Mo/day/yr FaxThis page Intentionally Left Blank Individual or Business Name Phone # Fax # Model‰ Personal/Consumer ‰ Business/Corporate