ALLEN & HEATH GS-R24 User Manual
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ALLEN & HEATH GS-R24 User Manual

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USER GUIDE

Publication AP7784

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Summary of Contents for ALLEN & HEATH GS-R24

  • Page 1: User Guide

    USER GUIDE Publication AP7784...

  • Page 3: Warranty

    Any changes or modifications to the console not approved by Allen & Heath could void the compliance of the console and therefore the users authority to operate it. GS-R24 User Guide AP7784 Issue 1 Copyright © 2010 Allen & Heath Limited. All rights reserved Allen &...

  • Page 4: Packed Items

    SELECT SELECT SELECT SELECT SELECT SELECT SELECT SELECT SELECT SELECT SELECT SHIFT GS-R24 MIXER Also Packed in the box • Safety Instructions—English • Safety Instructions—French • Addendum note ROHS • Sticker • This User Guide PACKED SEPARATELY ARE THE POWER SUPPLY AND INTERFACE MODULE Allen &...

  • Page 5: Table Of Contents

    CONTENTS Thank you for purchasing your Allen & Heath GS-R24. To ensure that you get the maximum benefit from the unit please spare a few minutes familiarizing yourself with the controls and setup procedures outlined in this user guide. For further information please refer to the additional information available on our web site, or contact our technical support team.

  • Page 6: Introduction To Gs-R24

    INTRODUCTION TO THE GS-R24 A Technical Overview: The Allen & Heath GS-R24 mixer has been carefully and lovingly designed in the beautiful county of Cornwall in the UK and is manufactured alongside a wide range of professional audio mixing consoles.

  • Page 7: Dimensions & Weights

    DIMENSIONS & WEIGHTS 1125mm (44.3”) 616mm (24.25”) Weight kg (lb) Unpacked Packed GS-R24 30 (66) 38 (84) GS-R24M 38 (84) 40 (88) Allen & Heath GS_R24 User Guide...

  • Page 8: Specifications

    GS-R24 SPECIFICATIONS Operating Levels Inputs Mono channel (XLR) Input -6 to –60dBu for nominal (+14dBu in max) Mono channel Line Input (Jack socket) +14 to –40dBu (+34dBu maximum) Insert point (TRS Jack socket) 0dBu nominal +21dBu maximum Stereo Input (Jack sockets)
  • Page 9 Mix Noise, Groups 1-4, 24 channels routed, Ref +4dBu, 22-22kHz -89dB (-85dBu) Power consumption Motorised Fader model 170W Nominal 300W Max Power consumption non-Motorised Fader model 170W Weight GS-R24 unpacked/packed 30/38kg Weight GS-R24m unpacked/packed 32/40kg Allen & Heath GS_R24 User Guide...

  • Page 10: Block Diagram

    BLOCK DIAGRAM PRE FADER MONO PRE FADER POST FADER MONO POST FADER FADER OUTPUT POSTFADER MAIN MIX L MAIN MIX R MONO MIX GROUP 1 GROUP 2 GROUP 3 GROUP 4 AUX 1 AUX 2 AUX 3 AUX 4 AUX 5 AUX 6 AFL L AFL R...

  • Page 11: Mono Input Channel

    MONO INPUT CHANNEL REAR PANEL CONNECTIONS DIRECT Direct Output Jack Socket Standard 1/4” (6.25mm) Jack socket for Channel output signal. Wired Tip=Hot(+), Ring=Cold(0V), Sleeve=Chassis. Nominal level is 0dBu. The source for the Direct Output is selectable by option jumpers internally, factory set to Pre-Fade. Insert Jack Socket INSERT Standard 1/4”...
  • Page 12 MONO INPUT CHANNEL Pre-Amp performance notes The GS-R24 pre-amp is a highly developed and proven design. Originally evolved from a balanced summing amplifier circuit originally designed back in the late GAIN 1980s for the Focusrite Forte console whilst working for industry legend Rupert Neve.
  • Page 13 MONO INPUT CHANNEL LMF EQ The LMF (Low Mid Frequency) equaliser affects the lower middle of the audible frequency range. The frequency graduations on the sweep con- trol are the centre frequencies of the EQ. As with the HMF section, the Q factor is variable from 0.8 to 6.
  • Page 14 MONO INPUT CHANNEL Auxiliary sends 1 & 2 Each of these controls sends a signal to an Aux bus. The signal is sourced pre- fade which means that the level is independent of, and unaffected by the fader. Auxes 1 & 2 are primarily used for foldback monitoring purposes, as the fader does not affect the level.

  • Page 15: Mute Switch

    MONO INPUT CHANNEL INTERFACE CONFIGURATION SWITCHES DAW send source switch Switch A determines the source for the interface send for each channel. In the up position the source is just after the pre-amp and Hi pass filter. If pressed in, then the source is from after the EQ IN switch. One or the other signal will always be sent to the interface.

  • Page 16: Stereo Input Channel

    STEREO INPUT CHANNEL REAR PANEL CONNECTIONS ST1 (& ST3) Phono sockets Standard RCA phono sockets for unbalanced stereo inputs. Nominal level = 0dBu ST2 (& ST4) Jack sockets Standard 1/4” (6.25mm) Jack socket for balanced or unbalanced line level signals. Wired Tip=Hot(+), Ring=cold (-), Sleeve=Chassis. The left channel input is connected to the break contacts of the right channel input socket so a mono source can feed both left &...
  • Page 17 STEREO INPUT CHANNEL Stereo HF EQ SIP SAFE With a 3dB corner frequency of 12kHz and maximum cut & boost of 15dB, the HF EQ is tuned to the upper range of the audio spectrum. 20.00 15.00 10.00 5.00 0.00 -5.00 -10.00 -15.00...
  • Page 18 STEREO INPUT CHANNEL Auxiliary sends 1 & 2 EQ IN Each of these controls sends a signal to an Aux bus. The signal is sourced pre- fade which means that the level is independent of, and unaffected by the fader. Auxes 1 &...
  • Page 19 STEREO INPUT CHANNEL SEND= INTERFACE CONFIGURATION SWITCHES POST EQ DAW send source switch This switch determines the source for the interface send for the stereo chan- I/P=DAW nel. In the up position the source is taken from the post-level input signals. If the switch is pressed then the source is taken from after the stereo EQ.

  • Page 20: Valve Input Channel

    VALVE INPUT CHANNEL REAR PANEL CONNECTIONS DIRECT Direct Output Jack Socket Standard 1/4” (6.25mm) Jack socket for Valve channel output signal. Wired Tip=Hot(+), Ring=Cold(0V), Sleeve=Chassis. Nominal level is 0dBu. The source for the Direct Output is taken from pre the mas- ter level control and is impedance balanced which means that the source resistance to the Tip(+) and Ring(0v) contacts are matched in order to maintain common-mode interference rejection.

  • Page 21: Level Control

    VALVE INPUT CHANNEL Gain Control This adjusts the gain of the input amplifier to match the signal level GAIN of the input. The gain is varied from +6dB to +60dB for signals plugged in to the xlr socket (Mic Input) and –14dB to +40dB for signals plugged into the Line/Inst input jack (without Boost being 60 40 pressed).

  • Page 22: Aux Masters

    AUXILIARY MASTER OUTPUTS & CONTROLS REAR PANEL CONNECTIONS 2TRK2 0UT 2TRK2 IN Aux bus Output Jack Socket Standard 1/4” (6.25mm) Jack sockets for Aux bus output signals. Wired Tip=Hot(+), Ring=Cold(0V), Sleeve=Chassis. Nominal level is 0dBu. FRONT PANEL CONTROLS AUX1 AUX2 AUX3 AUX4 AUX5...

  • Page 23: Groups

    GROUP BUS OUTPUTS & MASTER CONTROLS. REAR PANEL CONNECTIONS Group bus Output Jack Socket Standard 1/4” (6.25mm) Jack sockets for Aux bus output sig- nals. Wired Tip=Hot(+), Ring=Cold(-), Sleeve=Chassis. Nomi- nal level is +4dBu. Electronically balanced. INSERT INSERT INSERT INSERT Insert Jack Socket Standard 1/4”...

  • Page 24: Studio Outputs

    STUDIO OUTPUTS (ARTISTS FEEDS) REAR PANEL CONNECTIONS STUDIO OUT 2 STUDIO OUT 1 Studio feed Output Jack Socket Standard 1/4” (6.25mm) Jack sockets for Studio artists feed output signals. Wired Tip=Hot(+), Ring=Cold(0V), Sleeve=Chassis. Nominal level is 0dBu. Each Studio Output pair can be used as a stereo feed or two mono outputs.

  • Page 25: Main 2 Track Input & Output Connectors

    MAIN & MONITOR OUTPUTS & 2-TRACK INPUTS REAR PANEL CONNECTIONS MAIN OUT (2 Track 1) CRM/FRONT 2TRK1 IN MONO OUT INSERT 2TRK2 0UT 2TRK2 IN ALT/REAR MONO INSERT 2TRK1 IN INSERT ALLEN&HEATH PHONES CENTRE 2TRACK 2 IN/OUT Phono sockets Standard RCA phono sockets for unbalanced stereo (2Track) inputs and outputs. Nominal level = 0dBu 2TRACK 1 input jack sockets Standard 1/4”...

  • Page 26: Master Section

    MASTER SECTION L-R Monitor meters 12 segment LED meters sourced from the monitor section of the console. 0VU = Nominal working level (+4dBu at main L-R mix outputs). PFL/AFL Active LED Illuminates when the PFL or AFL system is activated by pressing a channel solo switch in PFL or AFL mode, or any AFL switch in the master section.

  • Page 27: Monitoring Modes

    MONITORING MODES PFL MODE switch In PFL mode (PFL MODE switch pressed, AFL MODE not pressed), SOLO MODE pressing an input channel Solo switch will send a pre-fade (pre-mute) signal to the PFL bus and trigger the PFL monitoring in the master section.

  • Page 28: Aux/Grp & 5.1 Surround Switches

    17-24=AUX/GRP & 5.1 SURROUND SWITCHES 17-24=AUX+GRP This recessed switch swaps the interface sends on channels 17-24 from the mono input channels to the Aux 1-4 outputs and the four group outputs. Useful when it is required to send groups of channels to a DAW for recording or processing.

  • Page 29: Meterbridge

    METERBRIDGE PEAK PEAK PEAK PEAK SiP ACTIVE SiP ACTIVE SiP ACTIVE SiP ENABLED SiP ENABLED SiP ENABLED ALLEN & HEATH ALLEN & HEATH ALLEN & HEATH ALLEN & HEATH LEFT LEFT LEFT RIGHT RIGHT RIGHT PEAK PEAK PEAK PEAK SiP ACTIVE SiP ACTIVE SiP ACTIVE SiP ENABLED...

  • Page 30: Midi Control-Modes Of Operation

    GS-R24: Enables MIDI data to be sent from the 24 mono input channel faders to the MIDI output on the interface module. If not pressed then no MIDI data will be sent from the mono input channel faders.

  • Page 31: Midi Controllers

    MIDI data for scrolling or increment/decrement functions. Mono Master fader On the GS-R24 (not GS-R24M) the mono master fader can be used as a MIDI control fader. When enabled the mono bus fade function is bypassed at unity gain.

  • Page 32: Midi Implementation

    MIDI Implementation There are two implementation modes for GS-R24: The default set of MIDI data messages that is unique to GS-R24 which can be mapped, learned or translated by DAW application software or MIDI translator software. An emulation of the US 2400 MIDI control surface made by TASCAM.
  • Page 33 MIDI IMPLEMENTATION MIDI Default data: ch = MIDI channel MIDI MESSAGE DATA 1 DATA 2 ON/OFF MIDI MESSAGE DATA 1 DATA 2 ON/OFF CONTROLLER TYPE CONTROLLER TYPE JOG WHEEL SW 0x9(ch) 0x7A 0x7F SHIFT 0x9(ch) 0x6C 0x7F JOG WHEEL SW 0x8(ch) 0x7A 0x00...
  • Page 34 MIDI IMPLEMENTATION MIDI Default data: ch = MIDI channel MIDI MESSAGE DATA 1 DATA 2 ON/OFF SHIFT MIDI MESSAGE DATA 1 DATA 2 ON/OFF SHIFT CONTROLLER TYPE DATA 1 CONTROLLER TYPE DATA 1 SEL 1 0x9(ch) 0x01 0x7F 0x23 SEL 13 0x9(ch) 0x0D 0x7F...

  • Page 35: Power Up Configuration Modes

    MIDI Operation modes It is possible to set GS-R24 to work in different ways depending on preference and the capability of externally connected equipment. These modes are primarily concerned with setting up the illumination of the Solo Select switch LEDs so that they tally entirely from the console function or from external MIDI messages received by the console.

  • Page 36: Connection Diagram (Basic)

    CONNECTION DIAGRAM (BASIC) Allen & Heath...

  • Page 37: Mono Input Channel Workflow Options

    MONO CHANNEL WORKFLOW ROUTING OPTIONS 1) RECORDING DIRECT FROM THE PRE-AMP, DIRECT MONITORING/MIXING GS-R24 MONO INPUT CHANNEL PATH PREAMP INSERT FADER NONE PRESSED DIGITAL AUDIO WORKSTATION 2) RECORDING DIRECT FROM THE EQ, DIRECT MONITORING/MIXING GS-R24 MONO INPUT CHANNEL PATH PREAMP...
  • Page 38 MONO CHANNEL WORKFLOW ROUTING OPTIONS 4) RECORDING DIRECT FROM THE EQ, DAW TRACK MONITORING/MIXING GS-R24 MONO INPUT CHANNEL PATH PREAMP INSERT FADER A&C PRESSED DIGITAL AUDIO WORKSTATION 5) MIXING IN DAW USING FADER AS CONTROLLER, MONITOR VIA BYPASSED FADER GS-R24 MONO INPUT CHANNEL PATH...
  • Page 39 MONO CHANNEL WORKFLOW ROUTING OPTIONS 7) OVER-DUBBING/RECORDING DIRECT FROM PRE-AMP, MONITORING DAW TRACK OUTPUT GS-R24 MONO INPUT CHANNEL PATH PREAMP INSERT FADER C PRESSED DIGITAL AUDIO WORKSTATION 8) USING ANALOGUE INSERT & EQ ON A DIGITAL TRACK (FEEDBACK LOOP POSSIBLE!)

  • Page 40: Internally Set Option Jumper Links

    INTERNALLY SET OPTION JUMPER LINKS OPTION LINK DETAILS Mono Input channel option links. AUX OPTIONS DIRECT OUT SOURCE PREFADE AUX SOURCE = PRE MUTE POST EQ (BEFORE CONFIG SW C) PREFADE AUX SOURCE = POST MUTE POST EQ (AFTER CONFIG SW C) AUX 5&6 SOURCE = PRE FADER POST FADER (CANNOT BE BYPASSED) AUX 5&6 SOURCE = POST FADER...

  • Page 41: Wiring Diagrams For Audio Leads

    WIRING NOTES PROCESSOR Insert cable wiring RETURN INSERT SEND GROUND RETURN SEND LINK RING TO SLEEVE TO UNBALANCE Y-Adapter Y-Adapter RCA phono jacks 2 Outputs to 1 Input adapter 1 Output to 2 Inputs RCA PHONO CABLE UNBALANCED No ! INSTRUMENT CABLE UNBALANCED UNBALANCED...

  • Page 42: Product Support

    XB and ZED-R Series Registering your product Thank you for buying the Allen & Heath GS-R24 mixer. We hope that you are happy with it and that you enjoy many years of faithful service with it, and record and mix some great music.

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