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CH and CL Series Power Amplifiers

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Operation Manual

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Crown Audio CH Series, CL Series operation manual This page Intentionally Left Blank

Contents

CH and CL Series Some models may be exported under the name Amcron Important Safety Instructions Use only with a cart, stand, tripod, bracket, or European Representatives Name and Address Safety StandardCrown International, Inc EMC Standards Table of Contents Features How to Use This ManualWelcome Setup Unpack Your Amplifier Install Your Amplifier Choose Input Wire and Connectors Choose Output Wire and ConnectorsReinstall no-touch cover to maintain safety Switch Settings Model CH4 Models CH1 and CH2 Wire Your System Models CH1 & CH2 Stereo Mode Refer to .5 for output connector pin assign- mentsModels CH1 & CH2 140V Bridge Mode Model CH4 Stereo Mode Model CH4 Bridge ModeInputs Connect input wiring to Channel Models CL1 & CL2 Bridge Mode Models CL1 & CL2 Stereo Model CL4 Stereo Mode Model CL4 Bridge ModeInputs Connect input wiring to CH1 Screw terminal All Models How to Parallel the Inputs in Stereo ModeStartup Procedure Connect to AC Mains Precautions Operation CH and CL Series Front Panel Controls and Indicators Operation Speed Fan-On-Demand Indicators If the amplifier output stage stops operatingControls Advanced Features Options SST-4622 SST-3632SST-4632 Fault Monitoring Location of Fault Jack Precision Detented Level Controls Attenuation in dB Principles of Operation CH1, CH2, CL1 and CL2 Power Indicator LED is driven from the low-voltage supply Models CL1 & CL2 Circuit Block Diagram CH4 and CL4 Audio Signal Path Model CH4 Circuit Block Diagram Model CL4 Circuit Block Diagram Power Supply Operation Troubleshooting Amplifier output wires have developed a short circuitFlashing Specifications 120V/60 Hz Units, Bridge mono mode Ohms 275W KHz at rated THD Ohms 560WOhms 450W 600W Model CL1 & CL2 CH and CL Series Power Amplifiers Models CH4 & CL4 Damping Factor Typical Output Impedance AC Power Draw Thermal Dissipation Following equation is used to calculate thermal dissipation AC Power Draw Thermal Dissipation AC Power Draw Thermal Dissipation CL2 Service Warranty 12/01 Worldwide Except USA & Canada Fax Mo/day/yr This page Intentionally Left Blank Model Individual or Business Name Phone # Fax #‰ Personal/Consumer ‰ Business/Corporate