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Table of Contents
Related Manuals for ALLEN & HEATH GL2800
Summary of Contents for ALLEN & HEATH GL2800
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Page 1: User Guide
ALLEN&HEATH GL2800 USER GUIDE Publication AP6095... -
Page 2: Warranty
NOTE: Any changes or modifications to the console not approved by Allen & Heath could void the compliance of the console and therefore the user’s authority to operate it. GL2800 User Guide AP6095 Issue 3 Copyright © 2006 Allen & Heath Limited. All rights reserved ALLEN&HEATH... -
Page 3: Important Safety Instructions
Installation: Install console accordance with instructions printed in this User Guide. Do not connect the output of power amplifiers directly to the console. Use audio connectors and plugs only for their intended purpose. GL2800 User Guide... -
Page 4: General Precautions
The wire which is coloured Brown must be connected to the terminal in the plug which is marked with the letter L. Ensure that these colour codes are followed carefully in the event of the plug being changed. GL2800 User Guide... -
Page 5: Table Of Contents
Introduction Welcome to the Allen & Heath GL2800, the latest generation of the popular GL series of dual function live sound mixing consoles. We have tried to keep this user guide brief and to the point. Please read it fully before starting. Included is information on installing, connecting and operating the console, panel drawings, system block diagram and technical specification. -
Page 6: Panel Layouts
POST POST EVEN EVEN EVEN EVEN MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE GRP1 GRP2 GRP3 GRP4 GRP5 GRP6 GRP7 GRP8 AUX1 AUX2 AUX3 AUX4 AUX5 AUX6 AUX7 AUX8 AUX9-10 LISTEN GL2800 User Guide... - Page 7 LINE IN LINE IN LINE IN LINE IN LINE IN MIC IN MIC IN MIC IN MIC IN MIC IN MIC IN MIC IN MIC IN SYS-LINK V2 CONSOLE EXPANDER INPUT ( option ) INPUT A INPUT B GL2800 User Guide...
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Page 8: Introducing The Gl2800
Introducing the Allen & Heath GL2800 The GL2800 is an 8-bus dual function analogue mixing console designed for professional audio applications. Whether mixing FOH, monitors or both, recording live or in the studio, installed in a busy venue, out on the road touring, or earning its keep in rental stock, the GL2800 provides the perfect solution. - Page 9 Sys-Link V2 console expansion… and much more. We hope you enjoy being as creative using the GL2800 as our team enjoyed creating it.
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Page 10: Installing The Console
Installing the Console The GL2800 has a space saving, compact chassis design. This is convenient both in saving seats for the paying audience in a busy venue, and in reducing the size, complexity and weight of flight casing for on-the-road use. The control surface has a 10 degree slope for optimum visibility during operation. -
Page 11: Connecting Power
One will automatically take over should the other be switched off or stop working. The recommended backup supply for the GL2800 is a second RPS11. Only use the recommended Allen & Heath power supply unit. Do not attempt to modify any other power unit to work with the console. - Page 12 Female XLR plug XLR male plug 3=cold - 3=cold - UNBALANCED UNBALANCED INPUT / OUTPUT HEADPHONES UNBALANCED Sleeve=ground link Ring to Sleeve Ring=RIGHT Tip=LEFT INSERT Sleeve=ground Sleeve=ground Ring=cold - Ring=return BALANCED UNBALANCED Tip=hot + Tip=send SYS-LINK V2 OPTION GL2800 User Guide...
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Page 13: Audio Connections
Audio Connections The GL2800 uses professional grade 3 pin XLR and 1/4" TRS (3 pole) jack sockets. To ensure best performance, we recommend that you use high quality audio cables and connectors, and take time to check for reliable and accurate cable assembly. It is well known that most audio system problems are due to faulty or sub standard interconnecting leads. -
Page 14: The Console Connectors
The console has two 4pin XLR sockets to plug in standard 12V gooseneck lamps to illuminate the operating surface when working in a dark environment. Only use lamps intended for this purpose. recommend the Allen & Heath LEDlamp with cool white LED illumination and a built in dimmer. GL2800 User Guide... -
Page 15: Operating Modes
L and R signals. Use these to feed local speaker or other monitor systems. SYS-LINK V2 OPTION Blank plates are fitted here as standard. The GL2800 Sys-Link V2 (version 2) input/output option kit is available from Allen & Heath. Refer to OPTIONS later in this guide. GL2800 User Guide... -
Page 16: Mono Input Channel
Check that you are using the best microphone type and placement before using the EQ. Start with the EQ set flat and apply only as much boost or cut as is really needed. When dealing with problem frequencies cut rather than boost where possible. GL2800 User Guide... - Page 17 0dB position. MUTE GROUPS NOISE Press these switches to add the channel to Mute Groups 1 to 4 as required. Pressing the master mute switch mutes all channels assigned to that group. GL2800 User Guide...
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Page 18: Stereo Input Channel
The STEREO Input Channel +48V Each GL2800 stereo channel features a mono microphone preamp as well as a stereo line input. These sources can be mixed together POLARITY into the channel or split using the mic breakpoint, so providing a... -
Page 19: Stereo Return Channel
ST3-4 can be routed to Groups 3-4. FADER A 60mm stereo fader provides +10dB maximum boost above its normal unity gain 0dB position. Applications for the stereo channels and returns are described later in this user guide. GL2800 User Guide... -
Page 20: Group/Aux Masters
A 100mm smooth travel fader controls the group mix output level. Note that it becomes the aux mix master in monitor mode (REV pressed). The fader provides +10dB maximum boost above its normal unity gain 0dB position. GL2800 User Guide... -
Page 21: Mute, Aux 9-10 And L-R-M Masters
Together with the group/aux REV function, the GL2800 can be configured as a compact yet fully featured monitor console. GL2800 User Guide... -
Page 22: 12X4 Matrix
12x4 MATRIX The matrix adds to the powerful multi-tasking capability of the GL2800. It provides a set of 4 additional console outputs. It is a ‘mixer within a mixer’ creating its output from any combination of the groups, main LR mix and external inputs. It can be used to provide duplicate main outputs or to create new mixes from these outputs. -
Page 23: Track Replay And Console Monitor
2TRK 9-10 LATCH MTX1 Stereo Monitoring The GL2800 has been designed to offer TALK STEREO MTX2 maximum capability for working with multiple stereo mixes such as IEM and recording feeds. It is important to be able to hear exactly what you are sending from the console. -
Page 24: 2-Track Replay And Console Monitor .23 Talkback And Signal Generator
9-10 9-10 STEREO WARNING: We recommend you turn off the signal generator MONITOR once you have finished using it to test and line up your system. This will prevent accidental operation during the show. GL2800 User Guide... -
Page 25: Gain Structure
GL2800 live sound mixing console. They are written as a concise reference to spark your imagination to creatively and effectively deal with the many challenges now faced in modern day mixing. -
Page 26: Using The Oscillator / Noise Generator
Testing a system with pink noise through the speakers is often referred to as ‘pinking the room’. 9-10 The GL2800 signal generator is an invaluable tool for calibrating LATCH and testing the system during setup. To prevent any unexpected... -
Page 27: Using Pfl / Afl
We recognise the importance of correct gain structure and signal handling. The GL2800 includes LED meters for every input channel and main output, as well as a pair of high resolution meters dedicated to monitor duty only. -
Page 28: Polarity
This may result in frequency selective or full range hearing loss. Adhere to the sound level regulations which may apply to the venue… and common sense! GL2800 User Guide... -
Page 29: Dual Functionality
The GL2800 takes dual functionality a thoughtful stage further with the advent of new engineering practices such as multi-media and IEM (in-ear monitor) mixing, and computer based live multi-track recording. The key principles of dual functionality are: •... -
Page 30: Applications For The Matrix
One way to do this is to feed the PA from a pair of matrices, and then use EXT Inputs to combine the external console with the main LR mix. GL2800 User Guide... -
Page 31: Create Iem Mixes With Ambience
You could also add in ambience as described above to give the recording more life by including audience reaction and natural reverberation. Recording with the GL2800 The console is equally at home recording live or in the project studio. -
Page 32: Mix And Aux-Fed Subs
PA. Typically the LR (tops) use fader masters, and the aux is on a rotary master. The GL2800 overcomes this with the monitor mode ‘REV’ switch that swaps the rotary aux master with the related fader group master. -
Page 33: Using The Stereo Channels
This is configured using recessed mode switches which protect from accidental operation during a show. The GL2800 provides 6 stereo inputs in a compact format. Together with the 2 mics the stereos provide for a host of space saving applications:... -
Page 34: Specifications
Shelving +/-15dB, 80Hz Power supply External RPS11 IEC input External Input for optional RPS11 backup supply Mechanical Width 944mm (37.2”) 1171mm (46.1”) 1398mm (55”) 1625mm(64”) 1852mm(73”) Depth 650mm (25.6”) Height 170mm (6.7”) Weight 29kg(63.8lbs) 35kg(77lbs) 41kg(90.2lbs) 47kg(103.4lbs) 53kg(116.6lbs) GL2800 User Guide... - Page 35 Talkback/osc out TRS impedance balanced <75 ohm, +20dBu max Lamp 4-pin XLR max 12V 5W lamp GL2800 Series Part Numbers 22 mic/line, 2 mic/stereo, 8 group console GL2800-24/v 30 mic/line, 2 mic/stereo, 8 group console GL2800-32/v 38 mic/line, 2 mic/stereo, 8 group console...
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Page 36: System Block Diagram
LEVEL GRP6 MATRIX OUT GAIN PRESS TO TALK MTX1-2 TALKBACK WEDGE DIM MIC IN GRP7 MTX3-4 +6dB boost TIP= + 2= + AUX1-2 GRP8 IMPEDANCE BALANCED LATCH AUX3-4 +4dBu BAL OPTION -2dBu BALANCED AUX5-8 MATRIX 1-4 AUX9-10 GL2800 User Guide... -
Page 37: User Options
User Options The GL2800 has a versatile architecture which should satisfy most applications you may encounter without modification. However, the following internal options provide alternative settings for those applications that may demand them. Access is required to the internal assemblies. - Page 38 WARNING: Do not connect unbalanced sources or cables to inputs with phantom power selected. To avoid loud clicks do not press the TALK switch when plugging or unplugging the talkback microphone. GL2800 User Guide...
- Page 39 37way D connectors for linking to other Allen & Heath consoles already fitted with Sys-Link V2. The GL2800 can become an input channel expander (slave) or have its number of input channels expanded (master) when linked to other consoles.
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Page 40: Cue Sheets
TO LR TO LR L-R TO M WEDGE P/AFL MODE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE GRP1 GRP2 GRP3 GRP4 GRP5 GRP6 GRP7 GRP8 AUX1 AUX2 AUX3 AUX4 AUX5 AUX6 AUX7 AUX8 AUX9-10 LISTEN GL2800 User Guide... - Page 41 9-10 9-10 9-10 9-10 9-10 STEREO STEREO STEREO STEREO STEREO STEREO STEREO STEREO POST POST POST POST POST POST POST POST EVEN EVEN EVEN EVEN EVEN EVEN EVEN EVEN MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE GL2800 User Guide...
- Page 42 9-10 9-10 9-10 9-10 9-10 STEREO STEREO STEREO STEREO STEREO STEREO STEREO STEREO POST POST POST POST POST POST POST POST EVEN EVEN EVEN EVEN EVEN EVEN EVEN EVEN MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE GL2800 User Guide...
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