• Allen & Heath GR4 Rackmount Zone Mixer
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Allen & Heath GR4 Rackmount Zone Mixer

Allen & Heath GR4 Rackmount Zone Mixer

SoundPro Item: 90392 | Part Number: AH-GR4

$899.00
$1,149.00 $899.00
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MSRP: $1,149.00 | MAP: $899.00

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  • Four mic inputs on rear mount Phoenix connectors with MIC1 selectable to an optional front mounted XLR.
  • Four stereo inputs on rear mount phono connectors.
  • Two stereo (mono selectable via internal jumper) zones on rear mount Phoenix connectors.
  • An additional two mono zone outputs are available with mix output being selectable from internal jumpers.
  • Paging and Alarm contact inputs on rear mounted Phoenix connectors allow integration with 3rd party paging stations and fire alarm systems.
  • Rotary Volume control with four source select switches.
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GR4 is a 1U rack-mounting or desktop audio mixer, providing control of background music and paging in bars, restaurants, and other leisure/retail environments. Standout features include optional remote wallplates, a mic input on the front panel, plus a 3.5mm jack on the front for portable music sources.

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  • General
    • Mic Input Sensitivity (Gain = Min): 0dBu
    • Mic Input Sensitivity (Gain = Max): -50dBu
    • Mic Level control (Max): +5dB
    • Mic Level control (Min): -80dB
    • Mic HPF -3dB: 320Hz (TBC)
    • Mic EQ LF: +/- 15dB fc = 80Hz
    • Mic EQ HF: +/-15dB fc = 8kHz
    • Mic Frequency Response: 20Hz – 20kHz +/-1dB
    • Mic THD+n @0dBu in 1kHz: 0.004% 22-22kHz
    • Mic THD+n @-30dBu in 30dB gain 1kHz: 0.005% 22-22kHz
    • Mic Hi Level warning LED (Unity gain): +18dBu
    • Clip level (Unity gain): +21dBu
    • ST Input Sensitivity (Gain link OFF): 0dBu
    • ST Input Sensitivity (Gain Link ON): -10dBu
    • ST Level control (Max): +6dB
    • ST Level control (Min): -76dB
    • ST Frequency response 20Hz: 20Hz – 20kHz +/-0.5dB
    • ST THD+n @-10dBu in 1kHz: 0.015% 22-22kHz
    • ST THD+n @0dBu in 1kHz: 0.035% 22-22kHz
    • Crosstalk from unselected channel: -75dB @ 1kHz
    • Main Zone Level control (Max): 0dB
    • Main Zone Level control (Min): -74dB
    • Main Zone Hi Lev LED (Unity gain): +18dBu
    • Main Zone EQ LF: +/-15dB fc = 80Hz
    • Main Zone EQ HF: +/-15dB fc 8kHz
    • Main Zone Clip level (Unity gain): +21dBu
  • Noise
    • -90dBu 22-22kHz
    • -88dBu 22-22kHz
    • -77dBu 22-22kHz (150R source)
  • Dimensions (HxLxW)1.9x9.5x17.2” (48x242x438mm)
  • Weight7.5lbs (3.4kg)

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