Allen & Heath GR05 Analogue Zone Mixer

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GR05 OVERVIEW

GR05 is a 5-input, 4-output analogue zone mixer for sound installations requiring 2 mic and 3 stereo line to up to 4 mono or 2 stereo zones. Internal jumpers allow custom configuration protected for day-to-day operation by non-technical staff. Zone volume may be remotely controlled.

The GR05 has 2 microphone inputs and 3 stereo line inputs. These can be assigned to 4 zone outputs configurable in mono or stereo pairs and controlled by front panel or remote level controls.

Ducking, EQ and muting can be configured. Further inputs and outputs are possible using the expander system.

GR05-ST version also available, with XLRs replaced by Euroblock (Phoenix) connectors.

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GR05 FEATURES 2 Microphone Inputs

The GR05 is furnished with 2 balanced mic inputs on XLR, both of which have rear panel gain controls. Removal of the top panel allows access to internal jumper links, providing a 30dB attenuator pad, +15V phantom power and a high pass filter at 200Hz. Internal trimmers also provide 2-band EQ, hi-mid frequency with sweep and LF shelving. The front panel has 3-colour LED meters, and level controls for all routed outputs.

Stereo Inputs

3 RCA sockets are provided for stereo inputs, and internal jumper links allow access to -10dBV to +4dBu level matching. 3-colour LED meters and level controls are also provided for the stereo inputs on the front panel.

XLR Outputs

4 XLR connectors are provided for the outputs, which are internally configured by the jumper links for -10dBV to +4dBu. The outputs can be grouped and front panel level controls can be disabled using the internal. Internal trimmers also provide shelving EQ for HF and LF.

Other configurable functions include VCA control and outputs which can be assigned to front panel controls or alternatively, remote control operation. Zone muting is possible via a front panel switch and LED indicator.

Routing Matrix

All inputs can be routed to any combination of outputs direct, or via VCA control, so that the direct path is not affected by output level controls and ducking. Matrix assigment is achieved using internal jumper links.

Remote Control

VCA path remote control can be configured by the installer on internal jumpers. The expander option (using another GR05 acting as slave to the main unit and connected by a 25-pin D connector) includes a remote DC input for each of the 4 outputs.

Ducking

The GR05 allows ducking and muting of channels, and is configured either internally on jumpers or externally via an opto-isolated input for external trigger. A status LED on the front panel is provided.

Expander / Remote

Additional mic & line inputs can be provided via another •slave• GR05 using the 25-pin D-type female connector.

Lock Out System

Input controls are always active; output levels controls may be disabled. All level controls may be set in 3 ways: 1) Knob fitted for operator control 2) knob removed for screwdriver preset 3) hole plugs (provided) fitted to lock out control.



Download GR05 Analogue Zone Mixer Instruction Manual

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Allen & Heath GR05 Analogue Zone Mixer - Sound and Light

  Sunday 24 June 2018       


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