Crest Audio CA4

CA 4 1000W Power Amplifier Specifications:
Model: CA6
8 Ohms Stereo Power: 250W 1kHz, 0.03% THD+N; 245W 20Hz-20kHz, 0.1% THD+N
4 Ohms Stereo Power: 435W 1kHz, 0.03% THD+N; 400W 20Hz-20kHz, 0.1% THD+N
2 Ohms Stereo Power: 500W 1kHz, 0.03% THD+N; 450W 20Hz-20kHz, 0.1% THD+N
8 Ohms Bridged Mono Power: 830W 1kHz, 0.03% THD+N; 800 W 20Hz-20kHz, 0.1% THD+N
8 Ohms Bridged Mono Power: 1000W 1kHz, 0.03% THD+N; 900W W 20Hz-20kHz, 0.1% THD+N
Max RMS Output Voltage (each channel): 58V
Peak Output Voltage (each channel): 82V
Frequency Response (+0 / -0.3dB, 1W/8 Ohms): 20Hz-20kHz, -3dB@135kHz
Power Bandwidth (rated power at 4 Ohms, 1% THD+N): 20Hz-20kHz, -.9dB/+5dB
TourClass Protection: ACL, IGM, AutoRamp, short circuit, DC voltage, turn-on/off transient, current inrush, sub/ultrasonic input.
THD+N (rated power at 4 Ohm, 1kHz): <0.01%
SMPTE IMD (rated power at 81/2, 60Hz & 7kHz): <0.01%
Damping Factor (10-400Hz at 8 Ohms): 550:1
Input CMRR (1kHz): > - 60dB
Input Sensitivity (rated power at 8 Ohms ): 0.775V standard (switchable)
Voltage Gain: X61 standard (switchable)
Input Impedance (balanced/unbalanced): >20kohms/>10kohms
Hum and Noise ("A" weighted, full power, 4 Ohms): -105dB
Crosstalk ("A" weighted, full power, 4 Ohms"): > - 60dB
Class: AB
Input Connectors (per Channel): Female XLR (pin 2+, switchable for pin 3+), TRS (tip+)
Input Connectors (per Channel): Speakon connectors or 5-way output binding posts (market dependant)
Filter Storage: 27,200 mF
Power Supply (factory configured): 100V-240V, 50-60Hz
Idle Current Draw 120V: 1.4A
1/8 Power Current Draw (typical music, 120V/4 Ohms) 6.8A
1/3 Power Current Draw (continuous music, 120V/4 Ohms): 10.0A
Max Current Draw (circuit breaker rating, 120V/4 Ohms): 15.0A
Thermal Emissions (1/8 Power, 4 Ohms): 2030 BTU/hr
Thermal Emissions (1/3 Power, 4 Ohms): 2726 BTU/hr
Cooling: Back-to-front via 2 rear panel mounted variable-speed DC fans
(filters removable without tools)
Controls: Front Panel: 2 attenuators; Rear Panel Switches: signal ground lift,
mode select switch
LED indicators (per channel) Clip/Limit, Signal, Temp/DC, Active
Construction: Steel chassis, 16 gauge. Double thickness in rack ear areas.
Dimensions (W x H x D): 19" x 3.5" x 18", (483 x 89 x 458 mm)
Weight: 41 lbs. (19 kg)