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CA12 POWER AMPLIFIER

Product Description

The Crest Audio CA12 professional power amplifier is designed

to achieve unsurpassed sonic performance and long-term reliabil-

ity—even when operating under extreme stress—in touring or

fixed installation applications.

Absolute sonic accuracy is the hallmark of every Crest amplifier.

Bass is solid and defined to the limits of audibility, with ample

current reserves delivered by an "over-engineered" power supply

and advanced Class H circuitry. Wide-bandwidth output devices

assure detailed, transparent high frequency response. And, thanks

to Crest's exclusive IGM circuit, the CA12 will drive 2Ω loads

safely without compromise in performance.

Construction and Quality Control

The CA12 is built exclusively in Crest's own USA manufactur-

ing facility, with internal components selected for premium qual-

ity and proven durability. Each modular subassembly is pre-test-

ed, and the assembled CA12 receives a rigorous "hot room"

burn-in before thorough final checkout on precision test equip-

ment.

Power Specifications:

Other CA Series Power Amplifiers

4 Ω S t e r e o

CA2

1kHz, .01% THD+N

2 5 0 W

20Hz-20kHz, 0.1% THD+N

2 0 0 W

P o w e r S p e c i f i c a t i o n s

1kHz, 0.01% THD+N

20Hz-20kHz, 0.1% THD+N

Figures are watts per channel, both channels driven.

CA4

CA6

CA9

CA18

4 3 5 W

6 0 0 W

9 0 0 W

1 8 0 0 W

4 0 0 W

5 0 0 W

8 0 0 W

1 7 0 0 W

8 Ω S t e r e o

7 0 0 W

6 5 0 W

CA12 Features

• Crest's legendary "overbuilt" power supply

• Toroidal power transformer

• Latest generation of high-speed,

wide-bandwidth output devices

• Twin tunnel cooling with back-to-front air flow

• Dual, variable speed DC fans

• Massive, extruded aluminum heat sinks

• Balanced XLR and 1/4-inch (TRS) inputs

• 5-Way Binding Post Outputs or Speakon™ connectors

(market dependent)

• Stereo/parallel/bridged mono mode selector switch

• Ground lift switch

• TourClass

protection circuits:

- ACL (Active Clip Limiting) prevents speaker damage with

gentle gain reduction at clip threshold.

- IGM (Instantaneous Gain Modulation) monitors speaker

loads to detect conditions that may overstress output

devices, allowing safe operation into nominal 2Ω imped-

ances.

- AutoRamp gradually increases gain to attenuator setting

level when amplifier is turned on.

- TourClass also includes comprehensive thermal manage-

ment, and short circuit, DC voltage, turn-on/off transient,

current inrush and sub/ultrasonic input protection.

• Input sensitivity selection

• Recessed, stepped attenuators

• Front panel circuit breaker switch

• Modular construction

• Five-year warranty*

4 Ω S t e r e o

2 Ω S t e r e o

1 2 0 0 W

1 4 0 0 W

1 1 0 0 W

8 Ω B r i d g e d

4 Ω B r i d g e d

2 4 0 0 W

2 8 0 0 W

2 2 0 0 W