Power Specifications 8Ω Stereo 4Ω Stereo 2Ω Stereo 8Ω Bridged 4Ω Bridged
1kHz, <0.02% THD+N 560W 810W 850W 1650W 1700W†
20Hz-20kHz, <0.05% THD+N
550W 715W 850W 1510W 1600W†
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 7001 power amplifier is a compact, high-power
amplifier designed to meet the stringent needs of professional use
in concert touring, high quality sound reinforcement, professional
fixed installations, and studio monitoring.
A two rack-space amplifier, the 7001 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. An actively bal-
anced female XLR input connection and 5-way output binding
posts are provided for each channel.
The 7001 is fully compatible with the other Crest Audio
Professional Series amplifiers, Octal Socket Accessories and the
NexSys
®
computer-controlled audio system.
Design and Construction
The no-compromise approach in the 7001’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.
7001 Features
• NexSys-ready
• Toroidal power transformer
• Tunnel cooling
• Dual, variable speed DC fans
• 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
• Extensive 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.
7001
POWER AMPLIFIER
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