Power Specifications 8Ω Stereo 4Ω Stereo 2Ω Stereo 8Ω Bridged 4Ω Bridged
1kHz, <0.025% THD+N 750W 1225W 1400W 2450W 2800W†
20Hz-20kHz, <0.1% THD+N
720W 1200W 1400W 2250W 2800W†
Figures are Watts per channel, both channels driven. †Continuous sine wave power is limited by current rating of front panel circuit breaker and IGM circuit.
Product Description
The Crest Audio 8001 power amplifier is a compact, extremely
high-power amplifier designed to meet the most stringent needs
of professional use in concert touring, high quality sound rein-
forcement, and professional fixed installations.
A three rack-space amplifier, the 8001 uses forced-air to cool
channel heat sinks mounted in a back-to-back tunnel configura-
tion. Stereo, parallel, and bridged mono operating modes can be
chosen with a rear-panel Mode Select switch. Actively balanced
female XLR input connections and 5-way output binding post
connectors are provided for each channel.
The 8001 is fully compatible with the other Professional Series
amplifiers, Octal Socket Accessories and the NexSys
®
computer-
controlled audio system.
Design and Construction
The no-compromise approach in the 8001’s electrical design and
mechanical construction provides the ultimate in reliability and
performance. Only high-grade components are used for the mod-
ular sub-assemblies in this ultra-strong, single piece steel chassis.
8001 Features
• NexSys ready
• Toroidal power transformer
• Tunnel cooling
• 105 CFM AC fan, with twin speed option
• High thermal mass heat sinks
• Balanced XLR inputs
• 5-way output binding post connectors
• Stereo/Parallel/Bridged Mono mode selector switch
• Rear panel ground lift jumper
• 8001 protection circuitry:
- Clip Limiting prevents speaker damage with gentle gain
reduction at clip threshold.
- IGM (Instantaneous Gain Modulation) monitors connected
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.
- Other protection circuitry: comprehensive thermal manage-
ment, and short circuit, DC voltage, turn-on/off transient,
current inrush and sub/ultrasonic input protection.
• Ultra-strong, single piece steel chassis
• Octal Accessory sockets
• Recessed, stepped attenuators
• Front panel circuit breaker/power switch
• Modular construction
• Five-year warranty
(USA, Canada, U.K. & many other countries).
®
Crest Professional Series Amplifiers
are fully compatible with the NexSys
Computer-Controlled Audio system.
8001
POWER AMPLIFIER
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