ALLEN & HEATH GLD User's Guide Page 9

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GLD User Guide 9 AP8561 iss.4
System block diagram
The block diagram here shows the audio signal flow and processing through the GLD mixer.
The GLD-AR2412 and GLD-AR84 AudioRacks provide inputs as shown in the ‘Remote Inputs’ box, and
outputs as shown in the ‘Remote Outputs’ box. These signals connect to the GLD via the dSNAKE or
EXPANDER ports.
Note the options available for AUX sends, FX sends and global Direct Out. Configuration possibilities are
shown for the MIX masters.
PEQ GEQ
MIX MASTER (GRP, AUX, MAIN)
COMP
Skt, I/O Port or RackFX
DELAY
Skt 21-24
DAC
BAL
-
+
Ready
+4dBu
RCA 0dBu
DAC
DAC
USB
Stereo Record
MTXGRP/AUX/FX PAFLMAIN
PFL
AFL
Mix Output
Strip METER
multi-point peak
MUTE
FADER
GRP to MAIN
BAL
Post
Pre
GRP to AUX/MTX
Post-Dly
Pre-Dly
Post
Pre
AUX/MAIN to MTX
PEQ GEQ
MATRIX MASTER
COMP
Configure as MONO or STEREO
DELAY
PFL
AFL
MTX Output
Strip METER
multi-point peak
MUTE
FADER
INSERT
Skt, I/O Port or RackFX
INSERT
OUTPUT
GRP/AUX/MAIN
Input DIR OUT
PATCH
MATRIX
Input Skt 1-48
I/O Input 1-64
PAFL
Wedge Monitor
IEM Monitor
USB Playback
RackFX 1-8
dSNAKE
EXPANDER
MONITOR 1-16
Skt 17-20
SPDIF
48kHz
POL
0
TRIM
POL
0
TRIM
Skt 25/26
Skt 27/28
AES
48kHz
Skt 29/30
Digital Out
Digital Mic Split sends
Multitrack Record
Remote Audio
MADI
Dante
ACE
EtherSound
Waves
WAV 48kHz / 16bit
I/O Port
64 Outputs
MMO (ADAT, Aviom, iDR, Hearback)
48kHz
Skt 1-16
LR
LR
LEV
(Main LR only)
LR
LR
LEV
+
Input Skt 1-48
EXT IN - PATCH from:
I/O Input 1-64
USB Playback
RackFX 1-8
+
Input Skt 1-48
EXT IN - PATCH from:
I/O Input 1-64
USB Playback
RackFX 1-8
Configure MAIN mix = NONE (monitors), LR, LCR, LR+M(bus) or LR+M(sum)
Configure GRP, AUX, FX mix = Mono or Stereo
20 x Mix processing = GRP, AUX, MAIN, MTX
30 x Bus = GRP, AUX, FX, MAIN
Configuration:
Remote Outputs
To AudioRacks
Skt 1-20
DAC
BAL
-
+
Ready
+4dBu
Ready
POL HPF GATE PEQ COMP
DELAY
0
Post-HPF Post-Gate Post-PEQ Post-Comp Post-DelayPost-Insert
Skt, I/O Port or RackFX
Post-Preamp
option per AUX mix
Source
MUTE
multi-point Peak
FADER
INPUT CHANNEL x 48 CH1-44 = mono, CH45/6, 47/8 = stereo
TRIM
PFL
AFL
in-place
Strip METER
Post
Pre
DIRECT OUT
Follow MUTE Follow FADER
IP to MAIN
48V
GAIN
-
+
MIC/LINE
PAD 20dB
ADC
Sensitivity +15 to -60dBu
Local Inputs
RCA 0dBu nominal
ADC
ADC
USB
Stereo Playback
MTXGRP/AUX/FX MAIN
IP to GRP
dSNAKE
EXPANDER
Skt 1-32
Skt 33-40
Skt 41-44
Skt 45/46, 47/48
Digital Mic Split inputs
Multitrack Playback
Remote Audio
I/O Port
MADI
Dante
ACE
EtherSound
Waves
INPUT
PEQ
PFL
AFL
in-place
Strip METER
Pre
Post
FX SHORT RETURN x8
FADER
MUTE
TRIM
IP to AUX/FX
Ret to AUX/FX
Ret to MAIN
Ret to GRP
Input Skt 1-32
Input Skt 33-40
Input Skt 41-44
I/O Input 1-64
USB Playback
Input Skt 45-48
RackFX 1-8
PATCH
INSERT
From RackFX outputs
TALKBACK
HPF
ASSIGN
to
MIX
Press to Talk
Input Skt 1-48
PATCH from:
I/O Input 1-64
SIG GEN
ASSIGN
to
MIX
MUTE
LEV
Sine (Sweep 20-20kHz)
White Noise
Pink Noise
Bandpass Noise (Sweep)
METER
WAV, FLAC
64 Inputs
48 input channel x 30 bus x 20 mix channel DSP Engine
30 assignable buses
48kHz
48V
GAIN
-
+
MIC/LINE
PAD 20dB
ADC
Remote Inputs
From AudioRacks
Skt 1-40
Global option for DIRECT OUT
Source
LR
LR
LEV
ASSIGN+PAN
LR
LEV
LR
ASSIGN+PAN
To: GRP
AUX
MAIN
MATRIX
To: GRP
AUX
MAIN
MATRIX
PAFL
28-band 1/3 octave
28-band 1/3 octave
RackFX x8
Short Return
Full IP Channel
IP or MIX INSERT
Output Patch
Patch to:
Send > Return FX
Inserted FX
or
MUTE
FADER
PFL
AFL
Strip METER
Short Send
From:
Any MIX
Input DIR OUT
Other RackFX
or
FX SHORT SEND x8
DELAY
PFL TRIM
-24dB 0dB
MUTE
FADER
PREAMP
EXT TALK to PAFL
Any input socket
Any Port B input
Surface Talk mic
WEDGE
RTA
31-band 1/3 octave
PFL/AFL MONITOR
Strip METER
Meters are pre-Trim
MUTE
FADER
IEM
Strip METER
PHONES
Active
IEM to PHONES
L
MAIN mix
PAFL
RM
PHONES
DAC
PAFL
PAFL
Channel Inserts
Channel Inserts
TRIM
DIM
Talkback Dim option
PAFL Dim option
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