Appendix A
Crest Audio CA Series Power Amplifiers
Models CA2, CA4, CA6, CA9, CA12, CA18
Appendix A - Amplifier Specifications
1kHz, 0.01% THD+N
8
Ω
Stereo Power
4
Ω
Stereo Power
2
Ω
Stereo Power
8
Ω
Bridged Mono Power
4
Ω
Bridged Mono Power
20Hz-20kHz, 0.1% THD+N
8
Ω
Stereo Power
4
Ω
Stereo Power
2
Ω
Stereo Power
8
Ω
Bridged Mono Power
4
Ω
Bridged Mono Power
Max RMS Output Voltage (each channel)
Max Peak Output Voltage
Frequency Response (+0 / -0.3dB, 1W/8
Ω
)
Power Bandwidth (rated power at 4
Ω
, 1%THD+N)
TourClass Protection
THD+N
(rated power, 4
Ω
/1kHz)
SMPTE IMD
(rated power, 8
Ω
, 60 Hz & 7kHz)
Damping Factor
(10-400Hz at 8
Ω
)
Input CMRR
(1kHz)
Standard Input Sensitivity
(rated power at 8
Ω
) ‡
Standard Voltage Gain
(rated power @ 8
Ω
) ‡
Input Impedance
(balanced/unbalanced)
Hum and Noise
("A" weighted, full power at 4
Ω
)
Crosstalk
("A" weighted, full power at 4
Ω
)
Class
Input Connectors
(per channel)
Output Connectors
(per channel)
Filter Storage
Power Supply
(factory configured)
Idle Current Draw
(120V)
1/8 Power Curr. Draw
(typical music cond., 120V/4
Ω
)
1/3 Power Curr. Draw
(cont. music cond., 120V/4
Ω
)
Max Curr. Draw
(continuous music cond., 120V/4
Ω
)
Thermal Emissions
(1/8 Power, 4
Ω
)
Thermal Emissions
(1/3 Power, 4
Ω
)
Cooling
Controls
LED Indicators (per channel)
Construction
Dimensions
(Height x Width x Depth to rear rack ears)
Gross Weight
Net Weight
Warranty
160W
250W
N/A
500W
N/A
150W
200W
N/A
450W
N/A
44V
62V
20Hz-20kHz,
-3dB@135kHz
20Hz-20kHz,
-.9dB/+.15dB
<0.01%
<0.01%
368:1
> - 60 dB
0.775V
X45
>20k
Ω
/>10k
Ω
-105dB
> - 60dB
AB
20,000
µ
F
100V-240V, 50-60Hz
1.2A
3.25A
5.5A
9.0A
1119 BTU/hr
1607 BTU/hr
3.5" x 19" x 18"
89 x 483 x 457mm
38 lbs. (17.25 kg)
33 lbs. (14.98 kg)
5 years*
250W
435W
500W
830W
1000W
245W
400W
450W
800W
900W
58V
82V
20Hz-20kHz,
-3dB@135kHz
20Hz-20kHz,
-.9dB/+.5dB
<0.01%
<0.01%
550:1
> - 60 dB
0.775V
X61
>20k
Ω
/>10k
Ω
-105dB
> - 60dB
AB
27,200
µ
F
100V-240V, 50-60Hz
1.4A
6.8A
10.0A
15.0A
2030 BTU/hr
2726 BTU/hr
3.5" x 19" x 18"
89 x 483 x 457mm
46 lbs. (20.88 kg)
41 lbs. (18.61 kg)
5 years*
400W
600W
750W
1200W
1500W
350W
500W
600W
1000W
1200W
73V
103V
20Hz-20kHz,
-3dB@135kHz
20Hz-20kHz,
-1.1dB/+0dB
<0.01%
<0.01%
400:1
> - 60 dB
0.775V
X68
>20k
Ω
/>10k
Ω
-105dB
> - 60dB
H
68,000
µ
F
100V-240V, 50-60Hz
1.6A
6.0A
13.0A
18.0A
2630 BTU/hr
3713 BTU/hr
3.5" x 19" x 18"
89 x 483 x 457mm
49 lbs. (22.24 kg)
44 lbs. (19.97 kg)
5 years*
600W
900W
1000W
1800W
2000W
550W
800W
900W
1600W
1800W
82V
116V
20Hz-20kHz,
-3dB@135kHz
20Hz-20kHz,
-.84dB/+0dB
<0.01%
<0.01%
700:1
> - 60 dB
0.775V
X86.5
>20k
Ω
/>10k
Ω
-105dB
> - 60dB
H
80,000
µ
F
100V-240V, 50-60Hz
2.0A
8.6A
16.0A
21.0A
3250 BTU/hr
4341 BTU/hr
3.5" x 19" x 18"
89 x 483 x 457mm
52lbs. (23.60 kg)
47 lbs. (21.33 kg)
5 years*
700W
1200W
1400W
2400W
2800W
650W
1100W
1100W
2200W
2200W
90V
126V
20Hz-20kHz,
-3dB@135kHz
20Hz-20kHz,
-.23dB/+.85dB
<0.01%
<0.01%
800:1
> - 60 dB
0.775V
X97.5
>20k
Ω
/>10k
Ω
-105dB
> - 60dB
H
140,000
µ
F
100V-240V, 50-60Hz
2.8A
10.5A
23.0A
30.0A
4750 BTU/hr
6300 BTU/hr
5.25" x 19" x 18"
133 x 483 x 457mm
72 lbs. (32.68 kg)
67 lbs. (30.42 kg)
5 years*
1000W (.03% THD+N)
1800W (.03% THD+N)
2500W (.03% THD+N)
3600W (.03% THD+N)
5000W (.03% THD+N)
950W
1700W
2400W
3400W
4800W
99V
140V
20Hz-20kHz, -
3dB@150kHz
20Hz-20kHz, -
.2dB/+.2dB
<0.03%
<0.01%
800:1
> - 70dB
0.775V
X115
>20k
Ω
/>10k
Ω
-115dB
> - 80dB
H
144,000
µ
F
100V-240V, 50-60Hz
3.0A
12.0A
25.0A
36.0A
7125 BTU/hr
9450 BTU/hr
5.25" x 19" x 18"
133 x 483 x 457mm
82 lbs. (37.23 kg.)
77 lbs. (34.96 kg.)
5 years*
† For full power at 4 Ohms
. ‡
See table below for optional settings. * 3-Year Warranty with 2 additional years if Registration Card is sent to Crest Audio. (USA, Canada, United Kingdom and many other countries).
Crest Audio reserves the right to make changes or improvements in manufacturing or design which may affect specification. ©1997 Crest Audio Inc. 10/13/97
ACL, IGM, AutoRamp, short circuit, DC voltage, turn-on/off transient, current inrush, sub/ultrasonic input
Female XLR (pin 2+, configurable for pin 3+), TRS (tip+)
5-way binding posts (2 pair on CA18) or Speakon connectors (market dependent)
Steel chassis, 16 gauge. Double thickness in rack ear areas.
Clip/Limit, Signal, Temp/DC, Active
Front panel: 2 attenuators, magnetic circuit breaker/power switch; Rear panel: signal ground lift & mode switches; CA18: XLR polarity & input sens./voltage gain switches)
Two rear panel variable speed DC fans, filters detatchable without tools
CA2
CA4
CA6
CA9
CA12
CA18
Gain
Sens
Gain
Sens
Gain
Sens
Gain
Sens
Gain
Sens
Gain
Sens
Factory Standard
X45
.775V
X61
.775V
X68
.775V
X86.5
.775V
X97.5
.775V
X115
.775V
Option 1
X40
.866V
X40
1.12V
X40
1.32V
X40
1.66V
X40
1.87V
X40
2.24V
Option 2
X20
1.73V
X20
2.24V
X20
2.65V
X20
3.32V
X20
3.74V
X20
4.47V
Summary of Contents for CA
Page 17: ...Appendices ...
