ALLEN & HEATH GL4800 User's Guide

ALLEN&HEATH USER GUIDEPublication AP6150 GL4800

10 GL4800 User Guide Dimensions and Weights Dimensions shown in millimetres UNPACKED Width Dept

GL4800 User Guide 11 Specifications Performance 0dBu = 0.775 Vrms Reference for high level equipment +4dBu = 1.23 V 0dBV =

12 GL4800 User Guide TB TO GRPSTB TO MTXTALKTB ENABLEDGAINTB LEVDIMLEFTRIGHTMONOPFLAFLAUX 1-10GR

GL4800 User Guide 13 System Diagram -+-POSTSML FADERAFLGROUP/AUX REVERSERETURNBAL0dBuSENDINSERTSIG0dBPEAK+6MUTESAFE/PREVIEW2

14 GL4800 User Guide Connectors Professional gold plated connector types are used to ensure cont

GL4800 User Guide 15 Sys-Link V2 Expander Option Available as a kit to be fitted to the console to expand the busses. Uses 2

16 GL4800 User Guide Meterpod Connector Recessed 16-pin dual row header for connection to the me

GL4800 User Guide 17 Earthing The connection to earth (ground) in an audio system is important for two reasons: 1. SAFETY -

18 GL4800 User Guide Connecting Power Connect only the Allen & Heath power unit specified fo

GL4800 User Guide 19 Matching the Signal Levels For best performance it is important that the connected source signals are matc

2 GL4800 User Guide This product complies with the European Electromagnetic Compatibility direct

20 GL4800 User Guide The MONO Input Channel +48V - Feeds +48V to pins 2 and 3 of the input XL

GL4800 User Guide 21 AUXILIARY SENDS - Route the channel signal to one or more of 10 auxiliary send busses. These are indepe

22 GL4800 User Guide The STEREO Input Channel The stereo channel has two independent input sect

GL4800 User Guide 23 C8SIDELSIDERMIDDLECARDIODFIGURE-OF-8STEREOREVERSESTEREOMONOL = M+SR = M-SSIDEABOVEBELOWSNAREABSIGNAL PROCE

24 GL4800 User Guide GROUP MATRIX MASTER - Controls the output of the matrix mix. Adjust LEV

GL4800 User Guide 25 THE CONSOLE MATRIX - The GL4800 includes a versatile 11 x 4 output matrix. This comprises four independ

26 GL4800 User Guide LR THE CONSOLE LR AND LR2 OUTPUTS - In addition to the main L and R outp

GL4800 User Guide 27 MONO 2-TRACK STEREO RETURN - The incoming level can be trimmed from OFF to +10dB gain and routed direct

28 GL4800 User Guide THE MONO MIX - The GL4800 includes an independent mix buss for the M (mon

GL4800 User Guide 29 LAMP CONNECTORS - Two top panel 4-pin XLR connectors are provided for connection to gooseneck lamps. It

GL4800 User Guide 3 Important Safety Instructions WARNINGS - Read the following before proceeding : ATTENTION: RISQUE DE CHOC

30 GL4800 User Guide The Mute System Each GL4800 input channel, group, aux send and main outp

GL4800 User Guide 31 The Mute Switch Press MUTE once to mute the channel signal. The red LED will turn on. The audio signal w

32 GL4800 User Guide Mute Groups A mute group lets you mute a selected combination of channels

GL4800 User Guide 33 Program a Mute Group Press EDIT GROUP The red LED will start flashing. This puts the mute system into &ap

34 GL4800 User Guide Turn All Mutes Off or On in a Group It is often useful to turn off (clear)

GL4800 User Guide 35 Mute Safes Mute groups, snapshots and MIDI overwrite the console mutes with the settings held in memory o

36 GL4800 User Guide Mute Snapshots A mute snapshot lets you store the console mute on/off sett

GL4800 User Guide 37 The Snapshot Display Normal Mode Shows selected snapshot number 0 to 127 or ALL Indicates wh

38 GL4800 User Guide Scroll Through the Snapshot Numbers The 128 snapshots are numbered 0 to

GL4800 User Guide 39 The ALL Snapshot Between snapshot 127 and 0 is a special snapshot function called ALL

4 GL4800 User Guide General Precautions Damage To prevent damage to the controls and cosmetic

40 GL4800 User Guide Solo-In-Place Solo-In-Place is a system for checking individual signals or

GL4800 User Guide 41 Solo Safes Solo-In-Place can mute all the console mutes including channels, aux sends, groups and main ou

42 GL4800 User Guide MIDI The Musical Instrument Digital Interface (MIDI) was originally concei

GL4800 User Guide 43 Select the Console MIDI Channel Press and hold SHIFT + PREVIEW SNAPSHOT together to enter 'MIDI mod

44 GL4800 User Guide Channel Mutes Pressing any console mute switch transmits a MIDI Note On mes

GL4800 User Guide 45 MIDI Dump Data When a MIDI DUMP OUT is performed the entire contents of the console memory is transmitted

46 GL4800 User Guide Technical Support Should you have any queries about the GL4800 console aut

GL4800 User Guide 47 EDITGROUPPREVIEWHard Reset Should the console memory become corrupted it can be reset to the factory defau

48 GL4800 User Guide Front-of-House with recording POWER AMP

GL4800 User Guide 49 Using the GL4800 for Front-of-House (FOH) The console is positioned within the listening area so that the

GL4800 User Guide 5 Introduction Welcome to the Allen & Heath GL4800, the latest generation of the popular GL series of mul

50 GL4800 User Guide The Monitors Otherwise known as foldback or cue sends, the monitor mixes ar

GL4800 User Guide 51 Live 2-Track Recording A simultaneous stereo recording can be made of the performance by feeding additiona

52 GL4800 User Guide On-Stage Monitor Mixing system for on-stage control of performer

GL4800 User Guide 53 Using the GL4800 as a Monitor Console The GL4800 can be easily configured to function as a dedicated 12 b

54 GL4800 User Guide Stereo In-Ear Monitoring The LR mix and/or the matrix can be used to feed a

GL4800 User Guide 55 Multi-Speaker System 6 Speaker system driven from the matrix and LR2 outputs. Provides output balance and

56 GL4800 User Guide Internal Link Options The GL4800 is configured to satisfy most applicatio

GL4800 User Guide 57 GRP8PK!+60SIG10203010055MRLMTX+60dB+6MTX0dB+6MTX0dB+6MTX0dB8888MTX+60dB+6MTX0dB+6MTX0dB+6MTX0dB8888MTX+60d

58 GL4800 User Guide Cue Sheet 2 of 5 GL4800 8M Copy and use this page to record your con

GL4800 User Guide 59 Cue Sheet 3 of 5 GL4800 4SM Copy and use this page to record your console settings. 3k700500Hz1k7k1

6 GL4800 User Guide MTX1+60dB+6MTX20dB+6MTX30dB+64MTXPREPOST0dBPANL R=AFLSAFE/PREVIEWMUTETB TO

60 GL4800 User Guide Cue Sheet 4 of 5 GL4800 4MS Copy and use this page to record your conso

GL4800 User Guide 61 Cue Sheet 5 of 5 GL4800 8S Copy and use this page to record your console settings. MONOWIDTHSTERE

GL4800 User Guide 7 The Range GL4800-24 24 channel console GL4800-32 32 channel console GL4800-40 40 channel console GL4800-

8 GL4800 User Guide Introducing the Allen & Heath GL4800 The GL4800 offers the professional

GL4800 User Guide 9 Here are just a few key points we considered when specifying the GL4800: Affordability We understand yo