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Crest Audio Pro Series Power Amplifiers Appendix D
1kHz, <0.025% THD+N 20Hz-20kHz, <0.1% THD+N
750W 720W
1225W 1200W
2450W 2250W
1400W 1400W
2800W 2800W
91V
129V
20 Hz-20 kHz, -3dB @ 53kHz
20 Hz-20 kHz, +0/-0.2dB
Clip Limit, IGM,AutoRamp, High Temp, short-circuit, DC volt-
age, turn-on/off transient, sub/ultrasonic input.
<0.025%
<0.1%
400:1
>60 dB
1.75V RMS
X14 (+23 dB)
>20kΩ
> -100 dB
> -60dB
H
Female XLR (pin 3+), Octal Socket
2 pair 5-way output binding posts
70,000 µF
100V–240V, 50–60Hz
0.8A
5.4A
10.9A
19.0A
3380 BTU/hr
6140 BTU/hr
Rear to front tunnel heatsink, low-noise 2-speed fan
Front panel: 2 attenuators, circuit breaker/power switch;
Rear panel: mode switch, signal ground lift jumper.
Clip/Limit, Signal, Temp/DC,Active
14 ga. steel chassis, 0.25" (6mm) aluminum front panel
5.25"x19"x15" (16" to rear ears)
133mm x 483mm x 381mm (406mm to rear ears)
85 lbs. (38.6 kg.), 80 lbs. (36.0 kg.)
5 years, parts and labor†
8Ω Stereo Power
4Ω Stereo Power
8Ω Bridged Mono Power
2ΩStereo Power
4Ω Bridged Mono Power
Max RMS Output Voltage
(each channel)
Peak Output Voltage (each channel)
Frequency Response(+0 / -0.3dB, 1W/8Ω)
Power Bandwidth (rated power at 4Ω, 1% THD+N)
Protection Circuitry
THD+N
(rated power at 4Ω, 1kHz)
SMPTE IMD (rated power at 8Ω, 60Hz & 7kHz)
Damping Factor (10-400Hz at 8Ω)
Input CMRR (1kHz)
Input Sensitivity(rated power at 4Ω )
Voltage Gain
Input Impedance
(balanced)
Hum and Noise (“A” weighted, full power, 4Ω)
Crosstalk (“A” weighted, full power, 4Ω)
Class
Input Connectors
(per channel)
Output Connectors (per channel)
Filter Storage
Power Supply
(factory configured)
Idle Current Draw (240V)
1/8 Power Curr. Draw (typical music, 240V/4Ω)
1/3 Power Curr. Draw (continuous music, 240V/4Ω)
Max Curr. Draw(circuit breaker rating, 240V/4Ω)
Thermal Emissions (1/8 Power, 4Ω)
Thermal Emissions (1/3 Power, 4Ω)
Cooling
Controls
LED Indicators
(per channel)
Construction
Dimensions
(Height x Width x Depth)
Gross Weight, Net Weight
Warranty
† USA, Canada, U.K., and many other countries. Power figures are watts per channel, both channels driven. Crest Audio reserves the righ
t
k i t i f t i d i hi h ff t ifi ti C t A di ifi ti lit t i il bl i d
1kHz, <0.03% THD+N 20Hz-20kHz, <0.1% THD+N
1150W 975W
1200W 1100W
140V
198V
20 Hz-20 kHz, -3dB @ 53kHz
20 Hz-20 kHz, +0/-0.2dB
Clip Limit, IGM,AutoRamp, High Temp, short-circuit,
DC voltage, turn-on/off transient,sub/ultrasonic input.
<0.03%
<0.5%
400:1
>60 dB
10.5V RMS for 1100W at 4Ω bridged
X6.3 (+16dB) bridged
>20kΩ
>-100 dB
>-60dB
H
Female XLR (pin 3+), Octal Socket
5-way output binding posts
120,000 µF
100V–240V, 50–60Hz
0.7A
3.9A
7.75A
15.0A
2503 BTU/hr
4505 BTU/hr
Rear to front tunnel heatsink, 2 variable speed DC fans
Front panel: 2 attenuators, circuit breaker/power switch;
Rear panel: mode switch, signal ground lift jumper.
Clip/Limit, Signal, Temp/DC,Active
16 ga. single piece steel chassis, .187" (5mm) alum. front panel
3.5"x19"x15" (16" to rear ears)
89mm x 483mm x 381mm (406mm to rear ears)
57 lbs. (25.88 kg.), 52 lbs. (23.60 kg.)
5 years, parts and labor†
8Ω Bridged Mono Power
4Ω Bridged Mono Power
Max RMS Output Voltage
(bridged)
Peak Output Voltage
(bridged)
Frequency Response
(+0 / -0.3dB, 1W/8Ω)
Power Bandwidth
(rated power at 4Ω, 1% THD+N)
Protection Circuitry
THD+N
(rated power, 1kHz)
SMPTE IMD
(rated power at 8Ω, 60Hz & 7kHz)
Damping Factor
(10-400Hz at 8Ω)
Input CMRR
(1kHz)
Input Sensitivity
(rated power at 4Ω bridged )
Voltage Gain
Input Impedance
(balanced)
Hum and Noise
(“A” weighted, full power, 4Ω)
Crosstalk
(“A” weighted, full power, 4Ω)
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, 120V/4Ω)
1/3 Power Curr. Draw
(continuous music, 120V/4Ω)
Max Curr. Draw
(circuit breaker rating, 120V/4Ω)
Thermal Emissions
(1/8 Power, 4Ω)
Thermal Emissions
(1/3 Power, 4Ω)
Cooling
Controls
LED Indicators
(per channel)
Construction
Dimensions
(Height x Width x Depth)
Gross Weight, Net Weight
Warranty
† USA, Canada, U.K., and many other countries. Power figures are watts per channel, both channels driven. Crest Audio reserves the righ
t
make improvements in manufacturing or design which may affect specifications Crest Audio specification literature is available in dow
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