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CM 2204 Four Channel 300 Watt Power Amplifier

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Overview

The CM 2204 300W Power Amplifier drives 4 independent channels into low impedance or 70V loads. With this advanced amplifier architecture, there is no need to select the load impedance. Each channel can drive 4 ohms and up for flexible system configuration. Sonics are outstanding, and the price enables use in a multitude of applications. High efficiency allows up to 4 channels in a space-saving 2U rack height. A switch allows selection of 0.775V sensitivity or x40 gain. A high pass filter is selectable per channel. 100V and 50V operation is supported with the CMx accessory (sold separately).

Crest Audio's CM Series amplifiers open new horizons for professionals requiring a sonically superior, multi-channel amplifier. Any where performance, functionality and rack space economy are system design considerations such as: bars/clubs/restaurants, video conferences systems, hotels/motels, industrial, or retail stores.

Features

Power into 4 Ohm - 150 W x 4
Power into 8 Ohm - 220 W x 4
Power @ 70V - 220 W x 8
Multi-load architecture allows low impedance or 70 Volt operation without select switch (100 or 50 Volt output operation with CMx accessory)
Low mains current draw
Compact design allows up to 8 channels in a 2U rack space
Low weight
Cost-effective for many multi-channel applications
Flexible configuration
Easy set-up
CM Series Protection Circuits
ACL (Active Clip Limiting) automatically reduces gain at the onset of clipping to prevent amplifier and load damage
IGM (Instantaneous Gain Modulation) monitors load current to protect against overloading
AUTORAMP gradually increases gain when the amplifier is turned on, preventing abrupt turn-on level
Other protection features include: short circuit, DC voltage, comprehensive thermal management, current in-rush turnon/off transient and sub/ultrasonic input
Five-year warranty

Specs

CM 2204 Four Channel 300 Watt Power Amplifier Specifications:

Model: CM 2204
Output Power 4 Ohms: 150W x 4
Output Power 8 Ohms: 220W x 4
Output Power 70V: 220W x 4
Frequency response (1W into 8 Ohms ): 1KHz, <0.02% THD+N, one channel driven, non-bridged operation - 5Hz to 20kHz, +/- 1dB
THD+N: <0.02% at rated power (@ 70V, 1kHz)
Damping factor: 200:1 into 8 Ohms
Input CMRR: >60dB @ 1KHz
Input sensitivity @ 70V: 0.775V for full rated output power (0.775V gain selected); .75V for full rated power (x40 gain selected)
Input impedance: 20Kohms balanced, 10Kohms unbalanced
Hum and noise: -97dB, A-weighted
Crosstalk: < -60dB below max rated power (1KHz)
Power supply: linear transformer
Circuit breaker rating (120V/230V): 6A / 3A
Current draw (120VAC), 1/8 power, 70V: 2.3A
Current draw (120VAC), 1/3 power, 70V: 4.4A
Current draw (120VAC), at idle: <1A
Thermal emissions 1/3 power, 70V: 621 btu/hr
Cooling: front to side via single DC fan
Input connectors: balanced three pin Phoenix
Output connectors: two pin Phoenix
Controls: front panel: power switch; rear panel: stepped attenuators, HPF select, gain select, circuit breaker
LED indicators: signal, clip, protect
Construction: 16-gauge steel chassis with 16+12-gauge rack-ears
Dimensions (W x H x D): 19" x 3.5" x 16.69" (483 mm x 89 mm x 424 mm)
Weight: 34.0 lbs. (15.42 kg)

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CM 2204 Four Channel 300 Watt Power Amplifier

Features

CM 2204 Four Channel 300 Watt Power Amplifier Specifications:

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