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Product 481644

Crest Audio CA 4 1000W Power Amplifier   

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The Crest Audio CA 4 power amplifier is designed to achieve unsurpassed sonic performance and long-term reliability. With professional power-handling...Read More

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OVERVIEW

Professional sound at its best.

The Crest Audio CA 4 power amplifier is designed to achieve unsurpassed sonic performance and long-term reliability. With professional power-handling capabilities and exceptional low-end response this rack amp is an ideal choice for installations and touring applications that demand the finest audio quality. The CA 4 provides high power output coupled with true clarity, and is well-suited for high-powered subwoofers and passive full range systems.

Absolute sonic accuracy is the hallmark of the Crest Audio power amplifier. 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 output devices assure detailed, transparent high frequency response. And, thanks to Crest's exclusive IGM circuit, the CA 4 will drive 2 Ohm loads safely without compromise in performance.

The CA series provides tremendous value in proven amplifier technology. CAs form the backbone of discriminating rental systems and high-power club installations worldwide. Auditoriums, churches, regional tour sound companies and mobile DJs are all ideal candidates for the CA Series' combination of value and sonic quality.

FEATURES
  • 8 Ohm Stereo - 250 W
  • 4 Ohm Stereo - 435 W
  • 2 Ohm Stereo - 500 W
  • 8 Ohm Bridged - 830 W
  • 4 Ohm Bridged - 1100 W
  • Legendary over-built power supply
  • Toroidal power transformer
  • Latest generation of high-speed, wide-bandwidth output devices
  • Twin-tunnel cooling with back-to-front air flow
  • Dual, rear-mounted, continuously variable-speed fans
  • Balanced male and female XLR inputs with switch-configurable XLR polarity and sensitivity selection
  • Speakon or five-way binding post output connectors (market dependent)
  • Stereo, parallel, bridged-mono mode selector switch
  • Ground-lift switch
  • Front panel circuit-breaker switch
  • Recessed, stepped attenuators
  • SIGNAL present/active, PROTECT, and ACL LED's
  • Modular construction
  • Powder-coated steel chassis
  • Five-year warranty (3-Year Warranty with 2 additional years if Registration Card is sent to Crest Audio)
SPECIFICATIONS

CA 4 1000W Power Amplifier

  • 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)
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