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ALLEN & HEATH GL4800

ALLEN & HEATH GL4800
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ALLEN&HEATH
USER GUIDE
Publication AP6150
GL4800

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ALLEN & HEATH GL4800 Specifications

General IconGeneral
TypeAnalog Mixing Console
Channels48
Groups8
EQ Bands4
Aux Sends6
Faders100mm
Phantom PowerYes
Frequency Response20Hz - 20kHz
Total Harmonic Distortion<0.05%
Noise (EIN)-128dBu
EQ4-band EQ with sweepable mid

Summary

Limited One Year Warranty

Warranty Conditions

Details the terms and conditions for the product's one-year warranty.

Important Safety Instructions

Safety and Operational Guidelines

Essential guidelines for safe operation and handling of the console.

General Precautions and Wiring

General Precautions

Advice on handling, environment, cleaning, and hearing protection.

Mains Plug Wiring Instructions

Guidance on correctly wiring the mains plug for safety.

GL4800 Console Range

Models, Configurations, and Options

Overview of available console models, stereo channel configurations, and expander options.

Introducing the GL4800 Features

Dual Functionality and Recording Capabilities

Highlights the console's dual-purpose design for FOH/monitor and live recording features.

GL4800 Design Philosophy

Key Design Considerations

Explores affordability, reliability, performance, and attention to detail in the GL4800's design.

GL4800 Technical Specifications

Performance and InputOutput Specs

Detailed technical data including gain, frequency response, distortion, and noise.

System Block Diagram and Modes

Mode Switching Functions

Explains how underpanel switches alter console architecture for different applications.

Console Connectors Overview

Connector Types and Descriptions

Details various input/output connectors like XLR, TRS, and their functions.

Connectivity Options and Modes

Specific Mode Switching Functions

Details on OUT REV, MONO MODE, and MIX/AUX REV underpanel switch functions.

Monitoring and Interface Connectors

Meterpod, Headphones, and Local Monitor

Describes connectors for meterpod, headphone monitoring, and local speaker output.

MIDI Interface and Power Input

Details the MIDI interface and the console's DC power input connection.

Earthing Principles

Safety and Audio Performance

Explains the importance of proper earthing for safety and minimizing noise.

Connecting Power Supply

Safety Warnings and Pre-Operation Checks

Instructions for connecting the power unit and essential safety checks before powering on.

Mono Input Channel Operation

Mono Channel Controls and EQ

Details controls like Gain, HPF, EQ, and their functions on the mono input channel.

Stereo Input Channel Features

The Mute System Overview

Mute System Operational Features

Introduces the soft mute system, manual muting, mute groups, snapshots, MIDI, and Solo-In-Place.

Mute Groups Management

Mute Safes Facility

Mute Snapshots System

Solo-In-Place System Operation

Using Solo-In-Place for Signal Checking

Explains how to solo channels to check their contribution to the mix.

Solo Safes Management

Making Channels Solo Safe

Procedure to prevent channels from being muted when Solo-In-Place is activated.

Technical Support and System Information

System Reset and Error Messages

Hard Reset Procedure

Steps to perform a hard reset to restore factory default settings.

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