Crest Audio CA4, CA9, CA6 owner manual CA12, CA18 Front View, CA2-9 Front View, Rear & Side Views

Page 4

CA12, CA18 Front View

Front

height

5.25"

133mm

Front

height

3.5"

89mm

Professional Power Amplifier

Front width 19" / 483mm

CA2-9 Front View

Professional Power Amplifier

Front width 19" / 483mm

Rear & Side Views

 

A

 

 

A

 

+

A

 

 

 

 

A B

 

 

 

 

+

A

 

 

 

 

A

 

 

+

 

 

B

 

 

 

 

A B

B

• •

 

 

+

A

 

 

B

 

 

 

 

 

 

 

 

 

 

A

B

 

B

 

 

 

 

 

1

2+

 

 

 

 

 

3-

17.9"/437mm (19"/483mm to rack ears)

3.5" CA2-9

89mm

5-way binding post

1.375"

18"/457mm

version shown.

35mm

 

 

1

2+

 

 

 

3-

 

 

A

 

A

A

 

 

 

 

5.25"

CA12

CA18*

 

A B

A

A

+

B

 

A B A B • •

 

B

 

A B

 

B

133mm

Speakon version shown.

*Note: see Appendix E for detailed CA18 rear panel drawings.

Page 4

Crest Audio CA Series Power Amplifiers

 

Models CA2, CA4, CA6, CA9, CA12, CA18

Image 4
Contents OWNER’ S Manual Important Precautions Table of Contents CA2-9 Front View CA12, CA18 Front ViewRear & Side Views Introduction Installation and MountingUnpacking Front Panel Mode Selection Switch Output Connectors Two versions, market dependentSignal Ground Lift Switch Internal Configuration and Control Balanced 1/4 TRS & XLR Input ConnectorsFan 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 Way Output Binding Posts Stereo Mode Connections Speakon Output Connectors Parallel Mode Connections Speakon Output ConnectorsTourClass Protection Speaker Protection User PrecautionsRecommended Speaker Cabling Maintenance Service and RepairUser Responsibility Appendices Appendix a Amplifier Specifications Power Bandwidth rated power at 4Ω , 1%THD+NAppendix B CA Block Diagram Channel aAppendix C Wire Gauge Chart Metric Appendix C Wire Gauge Chart Imperial Appendix D Rear Panel Symbols Legend CA18 Binding Post Version Rear View Appendix E CA18 Power Amplifier Special FunctionsCA18 Speakon Version Rear View Choice of touring professionals