Crest Audio CA 18 5000W Power Amplifier  

Item #: 
127474181823471724
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The Crest Audio CA 18 professional power amplifier is designed to achieve unsurpassed sonic performance and long-term reliability. With professional power-handling capabilities and exceptional low-end... Read More

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Overview

The Crest Audio CA 18 professional power amplifier is designed to achieve unsurpassed sonic performance and long-term reliability. With professional power-handling capabilities and exceptional low-end response this amplifier an ideal choice for installations and touring applications that demand the finest audio quality. The CA 18 provides high power output of 5000 watts coupled with true clarity, and is well-suited for high-powered subwoofers and passive full range systems.

Absolute sonic accuracy is the hallmark of every rack mount Crest 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 (Instantaneous Gain Modulation) circuit, the CA 18 will drive 2-ohm loads safely without compromise in performance.

The CA series by Crest Audio 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 - 1000 W
  • 4 Ohm Stereo - 1800 W
  • 2 Ohm Stereo - 2500 W
  • 8 Ohm Bridged - 3600 W
  • 4 Ohm Bridged - 5000 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
  • Model: CA 18
    8 Ohms Stereo Power: 1000W 1kHz, 0.03% THD+N; 950W 20Hz-20kHz, 0.1% THD+N
    4 Ohms Stereo Power: 1800W 1kHz, 0.03% THD+N; 1700W 20Hz-20kHz, 0.1% THD+N
    2 Ohms Stereo Power: 2500W 1kHz, 0.03% THD+N; 2400W 20Hz-20kHz, 0.1% THD+N
    8 Ohms Bridged Mono Power: 3600W 1kHz, 0.03% THD+N; 3400 W 20Hz-20kHz, 0.1% THD+N
    84Ohms Bridged Mono Power: 5000W 1kHz, 0.03% THD+N; 4800W W 20Hz-20kHz, 0.1% THD+N
    Max RMS Output Voltage (each channel): 99V
    Peak Output Voltage (each channel): 140V
    Frequency Response (+0 / -0.3dB, 1W/8 Ohms): 20Hz-20kHz, -3dB@150kHz
    Power Bandwidth (rated power at 4 Ohms, 1% THD+N): 20Hz-20kHz, -.2dB/+.2dB
    TourClass Protection: ACL, IGM, AutoRamp, short circuit, DC voltage, turn-on/off transient, current inrush, sub/ultrasonic input.
    THD+N (rated power at 4 Ohms, 1kHz): <0.03%
    SMPTE IMD (rated power at 8 Ohms, 60Hz & 7kHz): <0.01%
    Damping Factor (10-400Hz at 8 Ohms): 800:1
    Input CMRR (1kHz): > - 70dB
    Input Sensitivity (rated power at 8 Ohms ): .775V standard (switchable)
    Voltage Gain: X115 standard (switchable)
    Input Impedance (balanced/unbalanced): >20kohms/>10kohms
    Hum and Noise ("A" weighted, full power, 4 Ohms): -115dB
    Crosstalk ("A" weighted, full power, 4 Ohms)": > - 80dB
    Class: H
    Input Connectors (per Channel): Female XLR (pin 2+, switchable for pin 3+), TRS (tip+)
    Input Connectors (per Channel): Speakon connectors or 2 pair of 5-way output binding posts
    Filter Storage: 144,000 mF
    Power Supply (factory configured): 100V-240V, 50-60Hz
    Idle Current Draw 120V: 3.0A
    1/8 Power Current Draw (typical music, 120V/4 Ohms)12.0A
    1/3 Power Current Draw (continuous music, 120V/4 Ohms): 25.0A
    Max Current Draw (circuit breaker rating, 120V/4 Ohms): 36.0A
    Thermal Emissions (1/8 Power, 4 Ohms): 7125 BTU/hr
    Thermal Emissions (1/3 Power, 4 Ohms): 9450 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, gain select, XLR input pin 2/3 hot (+) 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 5.25" x 15" (483 x 134 x 381 mm)
    Weight: 77 lbs. (35 kg)
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