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specifications
stereo power 8
bridged mono power 8
maximum output voltage
frequency response
power bandwidth
rated power
@
damping factor
input sensitivity
rated power
voltage gain
input impedance
hum and noise
power supply
circuit breaker rating
current draw
peak current draw
thermal emissions
input connectors
output connectors
LED indicators
TourClass
rear view CPA400
Power figures are
watts per channel,
both channels driven.
*Three-year Warranty
with two additional years,
if Registration Card is
sent to Crest Audio.
Power figures are watts per channel,
Crest Audio specification literature is available
both channels driven.
in downloadable PDF format at our website
¹⁹⁹⁸
http://www.crestaudio.com
©
crest audio inc.
1
, 0.1
% THD+N
kHz
250
Ω
W
4
435
Ω
W
2
Ω
500
W
Ω
830
W
4
1000
Ω
W
58
82
V rms,
V peak each channel
1
8
20
–20
,
@
Hz
kHz
+0 / -0.3
W
Ω
dB
20
–20
,
4
, 1
% THD+N
Hz
kHz
-.9
/ +.5
Ω
dB
+
<0.01%
THD
N
rated power
@
4
Ω
<0.01%
SMPTE IMD
rated power
8
@
Ω
550:1
10–400
8
@
Hz
Ω
input
>-60
1
CMRR
dB
@
kHz
8
.775
(switchable; see table below)
@
V standard,
Ω
61
(switchable; see table below)
X
standard,
>20
, >10
kΩ balanced
kΩ unbalanced
-
105
dB, A-weighted full power @ 4
crosstalk
> -60
dB A-weighted full power @ 4
class
AB
100–240 vac
50–60
@
Hz factory configured
4
36
A
120
Ω
@
V
<6.8
1/8 power, 4
A
120
Ω
@
V
<10.0
1/3 power, 4
Ω
@
120
V
at power-up
<15.0
A
@
120
V
at idle
<1.4
A
120
@
V
15
A
1/8 Power, 4
2030
/
Ω
BTU
Hr
1/3 Power
4
2726
/
,
BTU
Hr
Ω
cooling
back-to-front via two rear-mounted variable-speed DC fans
(filters removable without tools)
female xlr pin 2+
dealer-configurable for pin 3+
speakon connectors or five-way output binding posts
controls
two attenuators,
front panel:
signal ground-lift switch, mode select switch
rear panel:
: active
acl, signal, temp/dc
®
protection
acl, igm, autoramp, short circuit, dc voltage, turn-on/-off transient,
current in-rush, sub/ultrasonic input
construction
steel chassis, 16-gauge
dimensions
3.5" x 19" x 18"
weight
46
20.88
gross:
lbs
kg
41
18.61
net:
lbs
kg
warranty
five years*
USA, Canada, United Kingdom, and many other countries
v. 1.0
20
–20
, 0.1
% THD+N
Hz
kHz
245
W
400
W
450
W
800
W
900
W
, -3
135
dB
@
kHz
dB
, 1
kHz
, 60
and 7
Hz
kHz
Ω
Ω
(tip+)
trs
double thickness in rack-ear areas
89mm x 483 x 457mm
height x width x depth
Crest Audio reserves the right to make
improvements in manufacturing or design
which may affect specification.
10
5
98
/
/
*A4500001*
CPA400 power amplifier
architect's specifications
The power amplifier shall have two channels.
At 8
, 20
- 20
Ω
Hz
deliver a minimum of 245 watts per channel.
At 4
, 20
- 20
Ω
Hz
deliver a minimum of 400 watts per channel.
In bridged mono mode with an 8
20
- 20
, 0.1%
Hz
kHz
minimum of 800 watts.
Two rear panel mounted variable speed
fans (filters detachable without tools) shall pro-
vide back to front air flow through the chassis.
The amplifier shall have circuitry to protect
itself from output short circuits, thermal over-
load or other adverse load conditions. The
amplifier shall protect speaker loads from
voltage on outputs. The amplifier shall have
active clip limiting and impedance sensing cir-
cuitry. Output relays shall protect the speak-
ers from amplifier failure.
Each channel shall have a standard (factory-
set) input sensitivity of 0.775 Volts, and shall
be fitted with an internal jumper which allows
the gain to be altered to
hum and noise level shall be 105
rated output, "A" weighted.
be less than 0.01% at rated power, 60
and 7
. The amplifier shall have a class
kHz
output stage. The frequency response shall be
20
-20
, +0, -0.3
Hz
kHz
The amplifier will operate at 100
50-60
Hz AC
Maximum current draw shall not exceed 15
amperes at 120
breaker for bench tests).
Front panel indicators shall include
,
PROTECT
SIGNAL
channel. Front panel attenuators shall be
recessed and detented.
Rear panel input connectors shall be female
and
type, internally dealer-config-
TRS
XLR
urable for pin 2 (factory setting) or pin 3 posi-
tive. Output terminations shall be 5-way
output binding posts or Speakon output con-
nectors (market dependent). A ground lift
switch and a Stereo/Parallel/Bridged Mono
mode operation switch shall be provided.
A rear-panel
IEC AC
cord) or single
AC
priate
plug for the intended operating volt-
AC
age shall be provided (market dependent).
The packaging of the amplifier shall allow for
standard rack mounting without requiring space
between similar units. Optional rack mount han-
dles will be available. Dimensions shall be 19"
(483mm) wide, 3.5" (89mm) high and 18"
(457mm) deep. The amplifier shall weigh
41 lbs. (18.61 kg.) net, and shall be desig-
nated the Crest Audio model CPA400.
dealer-configurable gain/
sensitivity options
factory standard x61
option1
option 2
100 Eisenhower Dr., Paramus NJ 07652 USA
: 201.909.8700
TEL
, 0.1%
, it shall
kHz
THD+N
, 0.1%
, it shall
kHz
THD+N
load,
Ω
, it shall deliver a
THD+N
DC
DC
20 or
40. The
X
X
below
dB
shall
SMPTE IMD
Hz
AB
(1
/8
).
dB
W
Ω
-240
,
V
V
(configured at factory).
(limited by front panel
VAC
,
ACTIVE
, and
's for each
CLIP LED
mains socket (with power
mains cord having an appro-
gain
sens
.775
V
x40
1.12
V
x20
2.24
V
Crest Audio Inc.
: 201.909.8744
FAX
http://www.crestaudio.com
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