ALLEN & HEATH GR05 - User Manual

ALLEN&HEATH
Introduction ......................... 3
Welcome to the GR05 ......... 4
The System.......................... 5
Overview of Installation ....... 6
Positioning the Unit ............. 8
Connecting Power............... 9
Front Panel .......................... 10
Rear Panel ........................... 11
Mic/Line Inputs .................... 12
Line Inputs ........................... 14
Outputs ................................ 15
Level Control........................ 16
Remote Control ................... 17
Ducking................................ 18
Expander In/Out .................. 20
Specification ........................ 21
Block Diagram ..................... 22
Configuration Sheet............. 23
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USER GUIDE
INSTALLATION
GR05
Audio Zone Mixer
Publication AP3181

ALLEN & HEATH GR05 Specifications

General

Channels	5
Line Inputs	3
Outputs	2
Stereo Zones	1
EQ on Mic Input	Yes
Phantom Power	Yes
Aux Sends	1
Headphone Output	Yes
Power Supply	Internal
EQ	2-band

Summary

Limited One Year Warranty

Conditions Of Warranty

Details the conditions required for warranty coverage.

Safety Warnings

Mains Plug Wiring Instructions

Guidance on correctly wiring the mains plug for safe operation.

General Precautions

Mains Voltage and Ventilation

Precautions regarding mains supply settings and adequate unit ventilation.

Operating Environment and Moisture

Guidelines for operating environment, protecting from moisture, and cleaning.

Audio Connections

Important notes regarding audio connection types and safety.

Welcome to the GR05

The System Overview

Overview of Installation

Rack or Desk Mounting

Instructions for mounting the GR05 unit in a rack or on a desk/shelf.

Connector Wiring and Setup

Guidance on connecting the unit using various pluggable connectors.

Control Assignment

How to configure front panel controls for operator use or lockout.

Internal Component Access

Procedure for safely removing the unit's top cover for internal adjustments.

Input Configuration

Details on setting up microphone and line inputs, including EQ and routing.

Output Configuration

Details on setting output levels, EQ, and VCA/Direct routing.

Level and Ducking Configuration

How to configure output level controls and the ducking system.

Installation Completion

Final steps for checking and completing the unit installation.

Positioning the Unit

19 Rack Mount Installation

Steps for mounting the GR05 into a standard 19-inch rack case.

Desktop or Shelf Mounting

Instructions for setting up the GR05 for desktop or shelf placement.

Connecting Power

Mains Voltage Setting and Input Cable

Ensuring correct mains voltage and understanding the input cable.

Mains Fuse and On;Off Switch

Information on the mains fuse, its replacement, and the power switch.

Battery Backup Input

Connecting an external DC power supply or battery for backup.

Power Indicator and Earthing

Explanation of power status LEDs and the importance of earthing.

Front Panel Overview

Input Controls and Indicators

Level controls and signal meters for microphone/line inputs.

Output Controls and Indicators

Level controls and post-level signal meters for zone outputs.

Front Panel Control Configuration Options

Setting front panel level controls for operator use, preset, or lockout.

Front Panel Indicators

Description of signal meters, mute, ducking, and power status indicators.

Rear Panel Connections

Mains Input and Fuse Access

Location of the IEC mains input, fuse, and power switch.

Audio Output Connectors

Details of the 3-pin male XLR impedance balanced output connectors.

Audio Input Connectors

Description of RCA phono and XLR connectors for line and microphone inputs.

Expander; Remote Connector

The 25-pin D-type connector for expansion and remote control functions.

Gain Trimmer Adjustment

Location and function of the rear panel gain trimmer for mic inputs.

Microphone;Line Inputs 1,2 Configuration

Input Connector and Wiring

How to connect microphones and line sources via XLR, including unbalanced options.

Gain Trim and Attenuator Pad

Setting gain trim and using the 30dB attenuator pad for microphone inputs.

Phantom Power and Lo-cut Filter

Enabling phantom power and the low-cut filter for microphone inputs.

Input Equaliser Settings

Adjusting mid/high and low frequency EQ for microphone inputs.

Routing Options and Examples

Configuring signal paths (VCA or DIRECT) and illustrative routing examples.

Line Inputs 3,4,5 Configuration

Input Connectors and Level Match

Description of RCA sockets and setting input sensitivity for line inputs.

Line Input Routing and Examples

Configuring signal routing for stereo line inputs to various outputs.

Zone Outputs 1,2,3,4 Configuration

Output Connectors and Level Trim

Details of XLR connectors and setting output signal levels.

Output Equaliser and Meters

Adjusting EQ and monitoring output levels using LED meters.

Zone Output Routing

Explanation of VCA and DIRECT signal paths for zone outputs.

Level Control Configuration

VCA Level Control Setup

Configuring front panel or remote DC control for output levels.

Mute Switch Functionality

Enabling/disabling the mute switch and selecting affected outputs.

Remote Control Configuration

Remote Connector and Reference

Details of the 25-pin D-type connector and the +10V DC reference.

Remote Controller Options

Using potentiometers or external systems for remote level control.

Remote Select Configuration

Setting which outputs are controlled by remote DC voltage.

Ducking System Configuration

Internal Trigger and Routing

Selecting mic triggers and routing signals for internal ducking.

Output Ducking Select

Enabling internal, external, or both ducking types per output.

Ducking Parameters Setup

Configuring ducking depth and release time for internal triggers.

External Ducking and Expander Functions

External Ducking Trigger and Parameters

Using external triggers and setting parameters for external ducking.

Expander Routing and Connector

Routing expander inputs for alarms and connector details.

Input; Output Expander Functions

Alternative Output Connections

Using the expander connector for output signals instead of XLRs.

Adding Inputs via Expander System

Connecting multiple GR05 units to increase input capacity.

Technical Specifications

System and Input Specifications

Details on system features, input types, and electrical characteristics.

Output and Performance Specifications

Data on output capabilities, frequency response, distortion, and noise.

Mechanical Specifications

Physical dimensions and weight of the GR05 unit.

Block Diagram

Configuration Sheet