description features
TourClass
®
protection circuits
acl active clip limiting prevents speaker damage by
providing gentle gain reduction at the clipping threshold.
igm instantaneous gain modulation monitors speaker loads to
detect conditions that may overstress output devices, allowing safe
operation into difficult impedances.
autoramp gradually increases gain to the attenuator level-
settings when the amplifier is turned on.
Protection features include: short circuit, dc voltage,
comprehensive thermal management, current in-rush turn-
on/off transient, and sub/ultrasonic input.
The Crest Audio CPA600 professional power amplifier is
designed to achieve unsurpassed sonic performance and long-
term reliability – even when operating under extreme stress
– in touring or fixed installation applications.
Absolute sonic accuracy is the hallmark of every Crest amplifi-
er. Bass is solid and defined to the limits of audibility, with
ample current reserves delivered by an “over-engineered” power
supply and advanced Class
H
circuitry. Wide-bandwidth out-
put devices assure detailed, transparent high frequency
response. And, thanks to Crest’s exclusive
IGM
circuit, the CA6
will drive 2
Ω
loads safely without compromise in performance.
Construction and Quality Control
The CPA600 is built exclusively in Crest’s own USA manu-
facturing facility, with internal components selected for pre-
mium quality and proven durability. Each modular
subassembly is pre-tested, and the assembled CPA600 receives
a rigorous “hot room” burn-in before thorough final check-
out on precision test equipment.
.
Crest’s legendary “overbuilt” power supply
.
toroidal power transformer
.
latest generation of high-speed, wide-bandwidth output devices
.
twin tunnel cooling with back-to-front air flow
.
dual, variable speed DC fans
.
massive, extruded aluminum heat sinks
.
balanced XLR and
1
⁄4-inch (TRS) inputs
.
five-way binding post outputs or Speakon
™
connectors
(market dependent)
.
stereo/parallel/bridged mono mode selector switch
.
ground lift switch
.
input sensitivity selection
.
recessed, stepped attenuators
.
front panel circuit breaker switch
.
modular construction
.
five-year warranty*
power specifications 8Ω stereo 4Ω stereo 2Ω stereo 8Ω bridged 4Ω bridged
1kHz, 0.01% THD 400w 600w 750w 1200w 1500w
20Hz-20kHz, 0.1% THD+N 350w 500w 600w 1000w 1200w
Power figures are watts per channel, both channels driven.
CPA600
CPA600 power amplifier
4Ω stereo CPA400 CPA900 CPA1200 CPA1800
1kHz, 0.01% THD+N 435w 900w 1200w 1800w
20Hz-20kHz, 0.1% THD+N 400w 800w 1100w 1700w
power specifications:
other CPA series power amplifiers
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