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Description
The GR4 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 four 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 four 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. An additional two mono zone outputs (3 & 4) are available with mix output being selectable from 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 GR4 ships with a power cord, blanking bung covers, a set of rack ears, four countersunk Pozi screws, and 14 Phoenix connectors.
Connectivity
- Mic Inputs: Four mic inputs on rear mount Phoenix connectors with MIC1 selectable to an optional front mounted XLR
- Line Inputs: Four stereo inputs on rear mount phono connectors. An additional front mounted 3.5mm jack socket overrides input 4 phono source
- Zone Outputs: 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.
- 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
- Mixing: Individual mix and selectable control of all inputs to Z1 & Z2. Multiple options for configuring mix outputs to Z3 & Z4 (via internal jumpers)
- 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
- 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
- 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
Tech Specs
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 |
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 |
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 |
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: |
1.9 x 9.5 x 17.2" |
Weight: |
7.5 lb |
Delivery & Returns
At Gear Club Direct, we want you to be happy with your purchase. We understand that there are times when once a product is received, it may not be what you needed or wanted after all. So, we will gladly accept your qualifying return within 15 days of the delivery date. After 15 days of the delivery date, all sales are final.
The Return Process
Customers are required to obtain a Pre-Authorization to return any product. To submit a request for a return, simply log in to your account and request a return and one of our sales representatives will contact you within 24-48 business hours. If you do not have an account with us, please open a help ticket, providing as much detail as possible and whether you are requesting a refund or an exchange. READ MORE
