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User Manual for Allen & Heath GR3 Rack Mount Zone Mixer Click to enlarge the picture
Contents of the user manual for the Allen & Heath GR3 Rack Mount
- Product category: Install Sound Mixers Allen & Heath
- Brand: Allen & Heath
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Allen & Heath Install Sound Mixers
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User manual for the Allen & Heath GR3 Rack Mount contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Allen & Heath product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Allen & Heath user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Allen & Heath product will considerably shorten its lifespan!
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Product description The GR3 from Allen & Heath is a single rackmount or desktop audio mixer that provides comprehensive control of paging and background music in restaurants, bars, stores, and other retail/leisure environments. The mixer features two mic inputs on the rear panel via Phoenix connectors with an option to select Mic 1 from an XLR input on the front panel. Additionally, there are two pairs of stereo RCA connectors for audio playback devices. The two zone outputs are offered in stereo on Phoenix connectors, but may be changed to mono via internal jumpers. The optional PL-14 remote control provides a rotary volume control with four selectable source switches and connects via standard Cat5e cabling. The GR3 ships with a power cord, blanking bung covers, a set of rack ears, four countersunk Pozi screws, and 10 Phoenix connectors. - Connectivity
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- Mic Inputs: Two mic inputs on rear mount Phoenix connectors with MIC1 selectable to an optional front mounted XLR
- Line Inputs: Two stereo inputs on rear mount phono connectors
- Zone Outputs: Two stereo (mono selectable via internal jumper) zones on rear mount Phoenix connectors
- Control: Paging and Alarm contact inputs on rear mounted Phoenix connectors allow integration with 3rd party paging stations and fire alarm systems
- Optional Remote: Remote control can be achieved via the optional PL-14 Remote connected to the rear mounted RJ45 or custom/3rd party analogue remotes connected to the rear mounted Phoenix connectors
- Features
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- Mixing: Individual mix and selectable control of all inputs to Z1 & Z2
- Dynamics: Gain and 2 band EQ available on all mic inputs with an additional 2 band EQ available on Z1 & Z2 outputs
- Primary Mic Mode: When audio sensed on MIC1 channel and/or PAGE contact closure is sensed then music is faded to pre-set level and MICSs 2-4 muted for the duration of the announcement. MIC1 zone select LEDs flash slowly when in priority mic mode
- Installer Selectable Modes
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- Primary and Secondary Mic Modes: Perfect for controlling hierarchical microphone feeds such as simple paging announcements
- Emergency Mic Mode: For use with 3rd party systems in emergency situations. Mutes all inputs except MIC1 on alarm contact closure
- Juke Box Mode: Provides a priority line input to the system for pre-recorded announcements or programed material such as Sports channels
- Advanced Features
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- Entering programming mode allows the following parameters to be adjusted
- Ducker attenuation
- Ducker hold time
- Ducker release time
- Music crossfade time
- Jukebox hold time
- Jukebox release time
In the Box Allen & Heath GR3 Rack Mount Zone Mixer IEC Power Cord 4 x Blanking Bung Set of Rack Ears 4 x M3 X 6mm Countersunk Pozi Screws 2 x HDR Plug Phoenix 2W 2 x HDR Plug Phoenix 4W 6 x HDR Plug Phoenix 3W Limited 1-Year Warranty Table of Contents
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Technical parametersAllen & Heath GR3 Specs | Microphone Inputs | Mic Input Sensitivity (Gain = Min): 0 dBu
Mic Input Sensitivity (Gain = Max): -50 dBu
Mic Level control (Max): +5 dB
Mic Level control (Min): -80 dB
Mic HPF -3 dB: 150 Hz
Mic EQ LF: ±15 dB fc = 80 Hz
Mic EQ HF: ±15 dB fc = 8 kHz
Mic Frequency Response 20 Hz – 20 kHz: ±1 dB
Mic THD+n @ 0 dBu in 1 kHz: 0.004% 22 Hz - 22 kHz
Mic THD+n @ -30 dBu in 30 dB gain 1 kHz: 0.005% 22 Hz - 22 kHz
Mic Hi Level warning LED (Unity gain): +18 dBu
Clip level (Unity gain): +21 dBu | | Stereo Inputs | ST Input Sensitivity (Gain link OFF): 0 dBu
ST Input Sensitivity (Gain Link ON): -10 dBu
ST Level control (Max): +6 dB
ST Level control (Min): -76 dB
ST Frequency response 20 Hz – 20 kHz: ±0.5 dB
ST THD+n @ -10 dBu in 1 kHz: 0.015% 22 Hz - 22 kHz
ST THD+n @ 0 dBu in 1 kHz: 0.035% 22 Hz - 22 kHz
Crosstalk from Unselected Channel: -75 dB @ 1 kHz | | Zone Output | Main Zone Level Control (Max): 0 dB
Main Zone Level Control (Min): -74 dB
Main Zone Hi Lev LED (Unity Gain): +18 dBu
Main Zone EQ LF: ±15 dB fc = 80 Hz
Main Zone EQ HF: ±15 dB fc = 8 kHz
Main Zone Clip Level (Unity gain): +21 dBu | | Noise | ST Input to Main Zone Output (Unity): -90 dBu 22 Hz - 22 kHz
Mic Input Routed at Min Gain as Well: -88 dBu 22 Hz - 22 kHz
Mic Input Routed at Max Gain: -77 dBu 22 Hz - 22 kHz (150R source) | | Power | 100 - 240 VAC, 50/60 Hz, 20 W
Power Consumption: 15 W (with no remote attached) | | Dimensions (H x L x W) | 1.9 x 9.5 x 17.2" / 48.0 x 242.0 x 438.0 mm | | Weight | 7.5 lb / 3.4 kg | | | | Package Weight | 10.0 lb | | Box Dimensions (LxWxH) | 20.8 x 14.0 x 9.0" |
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