Manuals / Crest Audio / Musical Instruments & Equipment / Musical Instrument Amplifier

Crest Audio CA12, CA18 Choice of touring professionals, B5000013, Crest Audio Inc, Printed in USA

Models: CA2 CA6 CA12

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Crest Audio Inc.

100 Eisenhower Dr., Paramus NJ 07652 USA TEL: 201.909.8700 FAX: 201.909.8744 http://www.crestaudio.com

Printed in USA

v. 2.9 11/25/97 © 1997 Crest Audio, Inc.

Choice of touring professionals.

B5000013

Page 24

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Crest Audio CA12, CA18 Choice of touring professionals, B5000013, Crest Audio Inc, v. 2.9 11/25/97 1997 Crest Audio, Inc

Contents

PROFESSIONAL POWER AMPLIFIERS Professional Power Amplifier Professional Power AmplifierProfessional Power Amplifier Professional Power Amplifier Professional Power Amplifier Professional Power AmplifierImportant Precautions A. The power supply cord or the plug has been damagedB. Objects have fallen, or liquid has been spilled into the equipment C. The equipment has been exposed to rainPower Amplifier Owner’s Manual Table of ContentsProfessional Power Amplifier Professional Power AmplifierCA12, CA18 Front View CA2-9 Front ViewInstallation and Mounting IntroductionUnpacking Front Panel circuit breaker/powerswitch in the “ON” 4. AC Power Switch/Circuit Breaker10. Output Connectors Two versions, market dependent 11. Mode Selection Switch12. Signal Ground Lift Switch Internal Configuration and Control 13-14. Balanced 1/4 TRS & XLR Input Connectors15. Fan Inlet Ports & Filters Input XLR PolarityOperation Connecting Power / Circuit Size RequirementsCooling System and Requirements Connecting Inputs Connecting OutputsMode Selection Stereo ModeParallel Mode Bridged Mono ModeStereo Mode Connections of the CA18 features two pair ofParallel Mode Connections Bridged Mono Mode ConnectionsStereo Mode Connections Speakon Output ConnectorsParallel Mode Connections Speakon Output ConnectorsTourClass Protection ACL Active Clip LimitingIGM Impedance Sensing AutoRamp ProtectionUser Precautions Speaker ProtectionRecommended Speaker Cabling Service and Repair MaintenanceUser Responsibility Appendices Appendix A - Amplifier Specifications Crest Audio CA Series Power AmplifiersAppendix A Models CA2, CA4, CA6, CA9, CA12, CA18Appendix B - CA Block Diagram Appendix C - Wire Gauge Chart Metric Appendix C - Wire Gauge Chart Imperial Appendix D Rear Panel Symbols - Legend Appendix E CA18 Power Amplifier - Special Functions XLR Pin + SwitchGain Switch CA18 Binding Post Version - Rear ViewChoice of touring professionals B5000013Crest Audio Inc v. 2.9 11/25/97 1997 Crest Audio, Inc

Crest Audio Inc.

Printed in USA

v. 2.9 11/25/97 © 1997 Crest Audio, Inc.

Choice of touring professionals.

*B5000013*

B5000013