• Allen & Heath GR4 Rackmount Zone Mixer
  • Allen & Heath GR4 rackmount zone mixer front panel with mic and stereo level knobs and front XLR input
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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
Your Price Sold out
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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Specifications

Dimensions
Dimensions (HxLxW)
1.9x9.5x17.2” (48x242x438mm)
Electrical
Mic THD+n @0dBu in 1kHz
0.004% 22-22kHz
Mic THD+n @-30dBu in 30dB Gain 1kHz
0.005% 22-22kHz
ST THD+n @-10dBu in 1kHz
0.015% 22-22kHz
ST THD+n @0dBu in 1kHz
0.035% 22-22kHz
Audio
Mic Input Sensitivity (Gain = Min)
0dBu
Mic Input Sensitivity (Gain = Max)
-50dBu
Mic Frequency Response
20Hz – 20kHz +/-1dB
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 Frequency Response 20Hz
20Hz – 20kHz +/-0.5dB
Main Zone Hi Lev LED (Unity gain)
+18dBu
Main Zone Clip Level (Unity gain)
+21dBu
Shipping
Weight
7.5lbs (3.4kg)
General
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
ST Level Control (Max)
+6dB
ST Level Control (Min)
-76dB
Crosstalk From Unselected Channel
-75dB @ 1kHz
Main Zone Level Control (Max)
0dB
Main Zone Level Control (Min)
-74dB
Main Zone EQ LF
+/-15dB fc = 80Hz
Main Zone EQ HF
+/-15dB fc 8kHz
Noise
-90dBu 22-22kHz, -88dBu 22-22kHz, -77dBu 22-22kHz (150R source)

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