Allen & Heath GR2 9x4 Analog Zone Mixer

PA SKU # AH GR2 MFR # GR2 UPC # 6938122228252
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  • Product Highlights
  • 6 Mic/Line Inputs with EQ
  • 3 (or 4) Stereo Music Inputs
  • Paging & Music Priority Override
  • Mono & Stereo Zone Outputs
  • Mono Aux Output
  • Remote Control
  • Configuration Protection

9-In, 4-Out Rack-Mount Analog Zone Mixer

The GR2 is a 9-input, 4-output analogue zone mixer for sound installations requiring 6 mic/3 stereo line or 4 mic/4 stereo line to 1 stereo/1 mono zone and aux output. All settings are custom configurable from the front panel and are protected by a cover plate for day-to-day operation. Zone source selection, volume and more may be remotely controlled.

Balanced inputs are provided on terminal blocks for convenient pre-wiring, with Mic 1 duplicated on XLR for quick plug-and-play. Each input has selectable +15V phantom power, protected mic/line pads and gain trimmers. There is a mic priority function for chairman or MC override, and a mic mute. The mic also has dedicated EQ with swept HPF, swept MF and shelving HF. An expander input allows more mics to be added to the mix.

Music channels are provided on RCA inputs with protected -10/+4 level settings. Mic/line 5/6 can be configured as a stereo input providing a 4 mic, 4 stereo line system. Inputs may be configured one at a time, or all together.

GR2 offers a dedicated paging channel with tailored EQ for speech intelligibility. The source can be configured from Mic 1 and/or an external input or alarm message and the zone program is ducked when a page signal is detected. Music 1 may be configured as a priority input for jukebox and pre-recorded message override.

Outputs are available on both RCA and terminal blocks for pre-wiring or plug-and-play operation. Stereo Zone 1 may be configured for music only or music + mics, and mono Zone 2 can be configured for mics, music or music + mics. VCAs are provided for ducking, alarm override and remote level control. Zone 1 features a 2-band EQ and a mono switch.

A versatile output for additional zone, mic expander, paging distribution, sub bass and more is provided on RCA and terminal block connectors. It is configurable as page out, mic mix, follow Zone 1 or Zone 2, and has a switchable 100Hz LPF for sub-bass feed.

All settings are configured from the front panel. Preset dip switches are letter coded, and trimmers recessed for screwdriver access. A cover plate protects the settings and provides space for fitting a custom label. Any of the rotary knobs may be removed and hole plugs fitted as required.
  • High-quality audio circuitry for clear music and paging
  • XLR, RCA, and phoenix connectors for flexibility
  • Independent paging and mic expander inputs
  • RCA and phoenix connector outputs for stereo and mono zones, as well as Aux output
  • Versatile front-panel controls for customizing the unit to your venue and application
  • Optional remote controls available separately
  • Can be rack or desk mounted with included hardware
  • Maximum Input Level:
    Mic/Line (Pad Out): -60 to -20dBu
    Mic/Line (Pad In): -30 to +20dBu
    Music: -10dBv or +4dBu
    Mix Expander In: 0dBu
    Page In: 0dBu
  • Input Impedance:
    Mic/Line (Pad Out): 2 kOhms
    Mic/Line (Pad In): 10 kOhms
    Music: 50 kOhms
    Mix Expander In: 10 kOhms
    Page In: 10 kOhms
  • Phantom Power: +15V
  • Maximum Output Level: +20dBu into 2 kOhms
  • Output Impedance: Less than 75 Ohms
  • Frequency Response: 20Hz - 20kHz (+0/-1dB)
  • Inputs:
    1 x AC Power Input
    1 x XLR Mic Input
    6 x Phoenix Plug Mic Inputs
    1 x External Page Input
    1 x Mic Expander Input
    6 x RCA Phono Music Inputs
  • Outputs:
    1 x Zone 1 Phoenix Output
    1 x Zone 1 RCA Output
    1 x Zone 2 Phoenix Output
    1 x Zone 2 RCA Output
    1 x Aux Phoenix Output
    1 x Aux RCA Output
  • Other Ports:
    1 x RJ-45 Zone Remote Jack
    1 x RJ-45 Utility Remote Jack
  • Power: 100-240VAC, 47-63Hz
  • Dimensions (WxDxH): 19 x 9.3 x 1.7" (483 x 235 x 44mm)
  • Weight: 8 lbs (3.6kg)
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