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1 welcome, 3 features, 2 how to use this manual – Crown Audio CT875 8-Channel Rackmount Power Amplifier (75W/Channel @ 8 Ohms) User Manual

Page 4

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Operation Manual

CT

Power Amplifiers

page 4

1 Welcome

Crown

®

ComTech DriveCore™ amplifiers provide

state-of-the-art technology for installed sound applications.

The ComTech amplifiers provide noiseless operation and

small footprint with excellent quality and performance.
ComTech DriveCore amplifiers offer:

1.1 Features

Audiophile Sound

• A signal-to-noise ratio of better than 110dB
• Total harmonic distortion below 0.05% across the full

audio bandwidth

• Greater than 70dB crosstalk
• Frequency response of ±0.5dB

Size Advantage

• Up to 8 channels in a single rack-space
• Weight of only 10 pounds (4.54 Kg)

Power Efficiency

• Over 90% efficient in the DriveCore amplifier stage
• Power consumption of less than 1W when not in use (In

Deep Sleep)

• Green Mode delivers power when needed. Amplifier

efficency increases by up to 10% when compared to typical

class D amplifiers

Typical applications for ComTech DriveCore amplifiers include

boardrooms, video and teleconferencing, VIP suites in stadiums

and arenas, and upscale restaurants and retail outlets.

3 Features

• 4 channel or 8 channel (4 inputs with 4

outputs or 8 inputs with 8 outputs)

• Single rack space
• Balanced 3-pin Barrier block-type/line inputs
• 4-pin Phoenix-type speaker outputs
• Flexible input routing
• Multiple Power Configuration (Auto-Standby,

Deep Sleep, and Green Mode)

• Auxiliary port for amp status and power

saving mode (Deep Sleep)

• Circuit breaker protection with reset switch
• Convection-cooled chassis (no fan)
• Three-year, no-fault, fully transferable

warranty that completely protects your

investment and guarantees its specifications

• Can be used in mass notification and EN 54

systems

• Patented technology including DriveCore

TM

• Fault Reporting through Aux Port
• Adaptive Rail Technology for power

on demand.

• Complies with Green Edge by Harman

2 How to Use This

Manual

This manual provides you with the necessary

information to safely and correctly set up and

operate your amplifier. It does not cover every

aspect of installation, setup, or operation that

might occur under every condition. For additional

information, please consult Crown’s Amplifier

Application Guide (available online at www.

crownaudio.com), Crown Technical Support, your

system installer, or system retailer).

This manual is related to the following products: