Crest Audio Pro-LITE 7.5 Professional Power Amplifier (7500W, 2RU)

Crest Audio Pro-LITE 7.5 Professional Power Amplifier (7500W, 2RU)

Crest Audio Pro-LITE 7.5 Professional Power Amplifier (7500W, 2RU)

B&H # CRPL75A MFR # 3602200
Crest Audio Pro-LITE 7.5 Professional Power Amplifier (7500W, 2RU)

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Product Highlights

  • 7500 Watts of Power
  • Capable of Handling 2 Ohm Loads
  • Automatic Clip Limiting
  • Resonant Switch-Mode Power Supply
  • Class-D Topology
  • Built-in Crossovers
  • LED Indicators
  • Lightweight: 18.4 lb
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  • 1Description
The 2RU, 7500W Pro-LITE 7.5 Professional Power Amplifier from Crest Audio is designed with a resonant switch-mode power supply and high-speed class D topology. The automatic clip limiting (ACL) circuit is designed to ensure trouble-free operation into loads as low as 2 Ω.

The front panel of the Pro-LITE 7.5 features two attenuators for lowering the output signal from 0 to -80 dB for each channel, while the 5 LED indicators offer feedback for both channels of the amplifiers operations including active, DC, temperature, signal, and ACL.

The rear panel provides two combo XLR/1/4" inputs and two 1/4" thru outputs for connecting to additional amplifiers. Speaker output connections include one 2-pin and one 4-pin twist-lock connector, which accommodates two 2-conductor or one 4-conductor speaker cables. The crossover select switch offers three settings: Full Range, Sub, and High Cut. Sub removes frequencies above 100 Hz, while high-cut removes frequencies below 100 Hz. The amplifier provides three temperature dependent variable-speed fans, while protection circuits guard against thermal overload, direct current, incorrect loads, and under & over voltages. The Pro-LITE 7.5 ships with an IEC power cable.
2 Channel independent crossovers
ACL (Automatic Clip Limiting) protection
Pro-LITE class D topology
Detented input controls
Combination XLR 1/4" inputs
4 Pole twist lock output connectors
LED illuminated
UPC: 014367612585
In the Box
Crest Audio Pro-LITE 7.5 Professional Power Amplifier (7500W, 2RU)
  • IEC Power Cable
  • Limited 5-year Warranty
  • Table of Contents
    • 1Description
    Power Rating 2 channels x 2 Ω: 4800 W 20 ms repetitive burst / 3790 W 1% THD both channels driven @ 1 kHz
    2 channels x 4 Ω: 2810 W 20 ms repetitive burst / 2450 W 1% THD / 2030 W 0.15% THD, both channels driven @ 1 kHz
    2 channels x 8 Ω: 1550 W 20 ms repetitive burst / 1425 W 1% THD / 1200 W 0.15% THD, both channels driven @ 1 kHz
    Damping Factor > 200:1 @ 20 Hz to 1 kHz @ 8 Ω
    Phase Response +15 to -85 degrees from 20 Hz to 20 kHz
    Input Sensitivity 2.25 V ± 3% for 1 kHz 4 Ω rated power
    2.2 V ± 3% for 1 kHz 2 Ω rated power
    Input Impedance 20 kΩ, balanced
    10 kΩ, unbalanced
    Minimum Load Impedance 2 Ω
    Maximum RMS Voltage Swing 124 V
    Voltage Gain x 40, +32 dB
    Frequency Response 20 Hz to 25 kHz; +0 dB, -3 dB
    THD 20 Hz to 20 kHz 2ch x 2 ohms: <0.5% @ 3390 W 20 Hz to 4 kHz, decreasing to 3100 W @ 20 kHz, both channels driven
    20 Hz to 20 kHz 2ch x 4 ohms: <0.15% @ 1850 W 20 Hz to 20 kHz, both channels driven 20 Hz to 20 kHz 2ch x 8 ohms: <0.15% @ 1170 W 20 Hz to 20 kHz, both channels driven
    Input CMRR > -75 dB @ 1 kHz
    Crossover 100 Hz switchable 2nd order high pass and 3rd low pass per channel
    Crosstalk > -60 dB @ 1 kHz @ 1000 W @ 8 Ω
    Hum and Noise > -100 dB, "A" weighted referenced to rated power @ 4 Ω
    Slew Rate > 12 V/µs
    Power Requirements Current Draw @ 1/8:
    2210 VA (1440 W) @ 2 Ω
    1550 VA (950 W) @ 4 Ω
    985 VA (560 W) @ 8 Ω
    Current Draw @ 1/3:
    4260 VA (3150 W) @ 2 Ω
    3120 VA (2160 W) @ 4 Ω
    1890 VA (1200 W) @ 8 Ω
    Connectors Rear Panel:
    1 x 3-pin IEC, AC power input
    1 x Combo 1/4" XLR, channel A input
    1 x Combo 1/4" XLR, channel B input
    1 x Dual 1/4" phone jack, through/out
    1 x 2-pin twist-lock connector
    1 x 4-pin twist-lock connector
    Controls Front Panel:
    1 x Channel A attenuation knob
    1 x Channel B attenuation knob
    1 x AC Power On/Off switch
    Rear Panel:
    Crossover select switch for HPF, Normal and LPF
    Indicator LEDs Front Panel:
    2 x Active
    2 x DC
    2 x Temperature
    2 x Channel Signal
    2 x ACL (Automatic Clip Limiting)
    Idle Consumption 250 VA, 120 W
    Cooling 3 temperature dependent variable speed fans
    Protection Thermal, DC, subsonic, incorrect loads, under, and over-voltage
    Construction Aluminum: 0.062" (1.575 mm)
    Dimensions (H x W x D) 3.5 x 19.0 x 17.0" (8.9 x 48.3 x 43.2 cm)
    Handle: 0.6" (1.5 cm)
    Weight 18.4 lb (8.3 kg)
    Packaging Info
    Package Weight 19.6 lb
    Box Dimensions (LxWxH) 21.575 x 20.63 x 7.008"

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