Crown CT 875 Welcome, How to Use This Manual Features, Features Audiophile Sound, Size Advantage

CT Power Amplifiers

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.

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).

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 DriveCoreTM

•Fault Reporting through Aux Port

•Adaptive Rail Technology for power on demand.

•Complies with Green Edge by Harman

Operation Manual page 5