Crest Audio Pro200 Series Pro7200 Professional Power Amplifier (2RU)

Crest Audio Pro200 Series Pro7200 Professional Power Amplifier (2RU)

Crest Audio Pro200 Series Pro7200 Professional Power Amplifier (2RU)

B&H # CRPRO7200A MFR # 1000580
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Expected availability: 7-10 business days

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  • 1Description

The 2RU Pro200 Series Pro7200 Professional Power Amplifier from Crest Audio is a 3300W (bridged) power-rated amplifier. This unit features extensive protection circuitry that's designed to optimize operation when working with difficult loads and power conditions. The Automatic Clip Limiting (ACL) circuit helps to protect drivers, maintain sonic integrity, and ensure trouble-free operation into loads as low as 2Ω. You can select stereo, parallel, or bridged-mono operation modes via the rear panel mode selector switch. The front panel recessed stepped attenuators allow for individual gain adjustment for each channel. When operating in the bridged mode, both attenuators must be in the same position so that the speaker load is equally shared between the channels.

The Pro7200 uses two variable-speed DC fans with back-to-front airflow, to maintain a lower overall operating temperature which results in a longer output transistor life. This amplifier features AutoRamp circuitry, which raises the signal level gradually after the output relay closes. This will prevent speaker damage if there is a high signal level at the inputs. The IGM (Instantaneous Gain Modulation) circuit is designed to monitor the speaker's load, and detect conditions which may over-stress the output devices. This allows safe operation into nominal 2Ω speaker loads. The Pro7200 power amplifier features ACL, DC, Temp, Signal, and Active safeguards, all referenced on the front panel with LED indicators.

ACL (Active Clip Limiting) prevents speaker damage by providing gentle gain reduction when the signal approaches the clipping threshold.
IGM (Instantaneous Gain Modulation) monitors speaker loads to detect conditions that may overstress output devices
AutoRamp circuitry gradually increases gain to the attenuator level settings when the amplifier is turned on
Additional protection features include short circuit, DC voltage, comprehensive thermal management & current in-rush turn-on/off, and transient sub-sonic input
High speed, wide-bandwidth output device
Twin-tunnel cooling with back-to-front airflow
Dual, rear-mounted, continuous variable-speed fans
Balanced female XLR inputs with switch-configurable XLR polarity and sensitivity selection
Speakon and five-way binding post output connectors
Front panel circuit breaker switch
2RU rackmountable
In the Box
Crest Audio Pro200 Series Pro7200 Professional Power Amplifier (2RU)
  • 2 x Rack Mounting Ears
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description
    Power Rating Stereo Power:
    2 Ω: 1650 W
    4 Ω: 1000 W
    8 Ω: 590 W
    Bridge Mono Power:
    4 Ω: 3300 W
    8 Ω: 2000 W
    Gain Selectable between x40 (32 dB) and x20 (26 dB)
    Input Sensitivity 4 Ω Rated output power
    40x: 1.58 V ± 3%
    20x: 3.16 V ± 3%
    Input Impedance 15 kΩ, balanced
    Maximum RMS Voltage Swing 75 V
    Frequency Response 10 Hz to 100 kHz, +0 dB, -3 dB @ 1 W
    Power Bandwidth 10 Hz to 50 kHz, +0 dB, -2 dB @ 4 Ω rated power
    Damping Factor >300:1 8 Ω @ 20 Hz to 1 kHz
    Input CMRR > - 85 dB @ 1 kHz
    Crosstalk > -70 dB @ 1 kHz @ 8 Ω rated power
    Hum and Noise > -110 dB, "A" weighted referenced to rated power @ 8 Ω
    Slew Rate < 15 V/µs
    Total Harmonic Distortion (THD) 2 x 2 Ω, 20 Hz to 20 kHz: <0.2% @ 1,475 W/channel
    2 x 4 Ω, 20 Hz to 20 kHz: <0.15% @ 950 W/channel
    2 x 8 Ω, 20 Hz to 20 kHz: <0.1% @ 550 W/channel
    Connectors Rear Panel:
    1 x 3-pin IEC, AC power input
    1 x 3-pin XLR female, input A
    1 x 3-pin XLR female, input B
    2 x 5-Way binding post, channel A output
    2 x 5-Way binding post, channel B output
    1 x Speakon, channel A output
    1 x Speakon, channel B output
    Controls Front Panel:
    1 x Channel A attenuation knob
    1 x Channel B attenuation knob
    1 x AC Power On/Off/Circuit Breaker switch
    Rear Panel:
    1 x Gain select switch (OUT: 40x [32 dB]/IN: 20x [26 dB])
    1 x Channel mode switch (parallel / bridge / stereo)
    LED Indicators Front Panel:
    2 x Active status (one per channel)
    2 x Temperature (one per channel)
    2 x Signal presence (one per channel)
    2 x ACL (Automatic Clip Limiting) (one per channel)
    Cooling 2 variable speed 80 mm DC fans, back to front
    Construction Aluminum chassis
    Power Requirements Current Draw 120 VAC @ 1/8:
    1400 W, 11.7 A @ 2 Ω
    875 W, 7.3 A @ 4 Ω
    Current Draw 120 VAC @ 1/3:
    3900 W, 32.5 A @ 2 Ω
    2500 W, 20.8 A @ 4 Ω
    Emission @ 1/3 power, 4 Ω bridged BTU/hour: 13,308
    Class H
    Dimensions (H x W x L) 3.5 x 19.0 x 12.25" (8.9 x 48.3 x 31.1 cm)
    +Rear Support Ears: 1.5" (3.8 cm)
    Weight 24.0 lb (10.9 kg)
    Packaging Info
    Package Weight 29.0 lb
    Box Dimensions (LxWxH) 23.5 x 19.75 x 5.25"
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