GL4000

SYSTEM BLOCK DIAGRAM

AUX 1-10

MTX A-D
GRP 1-8

MONO
RIGHT
S =SYSLINK OPTION

LEFT

AFL
PFL
WIRING POINT
2-TRACK
PEAK RETURN REPLAY
+6 LEV TO L-R
4-BAND FULL SWEEP 0dB -
EQUALISER L OUTPUT REVERSE (LR2 / AUX 9-10)
SIG
IN
PFL - LEV
R ON
- L(R)2 OUT
MIC/ HF -
LINE FADER -
LO-CUT MONO STEREO PFL
LINE IN -20dBu
GAIN FILTER AFL
MF1
L-R
AUX
L(R)2 AUX 0dBu
IMPEDANCE BALANCED
BAL PAN 1-2
EQ IN
MIC/LINE IN - 3-4
2= +
5-6
OUTPUT REVERSE (MTX A-D / AUX 5-8)
MF2
7-8 MTX MIX S
+48V LEV ON
MUTE MTX (A-D) OUT
-
-
SEND SAFE/PREVIEW -
LF
INSERT
0dBu POST-MUTE
PRE-MUTE
AFL
MATRIX (A-D) 0dBu
IMPEDANCE BALANCED
RETURN POST-EQ
TIP = + +
-
RING = - - PRE-EQ
BAL

INTERNAL AUX LINK OPTIONS

PRE-FADE AUX 1 TB TO AUX MTX TO GROUP/AUX REVERSE
SWITCHED ENABLE AUX (1-4)
POST-FADE S
AUX 2 AUX MIX
PEAK

INPUT CHANNEL AUX 3 INSERT

+6
0dB
AUX (1-10)
SIG SML
SEND SML FADER METER
MAIN
AUX 4 AUX (1-10) OUT
+
RETURN - POST
- 2=+
0dBu -
POST BAL
PRE AFL
AUX 10/ MUTE
DIR OUT LEVEL GRP (1-8) OUT
AUX 5 SAFE/PREVIEW
TRIM ON 2=+
PRE FADER
DIRECT OUT -
AUX 6 TRIM
- POST FADER GRP MIX POST
S
+4dBu
PEAK VU +
POST AUX 7 BAL
0dBu
IMPEDANCE BALANCED PRE
+6
0dB
GROUP (1-8) PRE
MTX A
TIP = + SIG
RING = - AUX 10 AUX 8
SEND MAIN FADER MTX B
INSERT
AUX 9 + MATRIX
POST RETURN - - POST MTX C SENDS
PRE 0dBu
BAL POST MTX D
AFL
MUTE
PRE
SAFE/PREVIEW
MONO
POST-MUTE
PRE-MUTE PAN SUBGROUPING
-
PRE L-R

STEREO CHANNEL PEAK

+6
0dB
4-BAND SIG
EQUALISER
STEREO PFL L(R) OUT
AUX L(R) / AUX9(10) REVERSE AUX AUX

MIC IN HF
FADER
L(R) MIX
S -
2=+
+4dBu
BAL
LO-CUT MONO PEAK VU
GAIN FILTER
L-R
+6
0dB
L(R) POST

PAD MF1 SIG PRE MTX A

-20dBu PAN 1-2
EQ IN SEND MAIN FADER
MIC IN -
SML
3-4
2= + INSERT MTX B
+ MAIN
5-6
MF2 SUM RETURN - - POST
MATRIX
MTX C SENDS
7-8 0dBu
+48V BAL
MUTE AFL POST MTX D
MUTE
SEND SAFE/PREVIEW
LF SAFE/PREVIEW
INSERT PRE
0dBu POST-MUTE POST-MUTE MONO
PRE-MUTE PRE-MUTE
RETURN POST-EQ
-
PRE
TIP = + -
SUM

RING = - PRE-EQ

R L
MIC L
INTERNAL AUX LINK OPTIONS
R L METER
STEREO R PRE-FADE AUX 1 AFL MIX S L-R MIX
MONITOR
SWITCHED
POST-FADE
+
AUX 2 L LOCAL
MONO LOCAL
L
S - MONITOR
+
AUX 3 PFL MIX R R OUT
PFL P/AFL
L M PHONES
TRIM DC SUM
PFL
+
STEREO LINE IN AUX 4
R
DC
-
PHONES 1

PHONES 2
+
GAIN STEREO PFL L R M
L/MONO POST
PRE PFL
+
STEREO - WIDTH DIR TO L-R
VU
LINE IN L DC AFL ACTIVE
R R AFL
R PFL ACTIVE
TIP = + + AUX 5
RING = - -
BAL
AUX 6

POST AUX 7 STEREO PFL METER

PRE MONO MODE
MONO / LISTEN WEDGE
AUX 10 AUX 8
MONO MIX S
TB DIM PEAK
+6 MONO MONO OUT
AUX 9 0dB
POST SIG 2=+
PRE SEND FADER - +4dBu
INSERT BAL
+
RETURN - - MTX A
POST
0dBu
BAL AFL MTX B
ENABLE
TB TO MONO MUTE POST
MTX C MATRIX
TALKBACK TB LEV TB TO L-R
POST SAFE/PREVIEW SENDS
PRE
PRE-MUTE MTX D
TB MIC IN TB TO GRPS
TALK
PRE
2= + TB TO MTX -

TB ENABLED
BAL LINK
DIM
+48V