21GB4 User Guide
Stereo Input
2
3
1
CHASS
CHASS
CHASS
CHASS
+48v
LINE
MIC
+48
0dBu
GAIN
10dB
60dB
PUSH
2
3
1
LINE
MIC
0dBu
DETECT
PEAK
HMID
-15dB
+15dB
HF
-15dB -15dB
LF
+15dB +15dB
LMID
EQ
0dBu
HF LMIDHMID LF
0dBu
LR
MONO
-15dB
+15dB
AUX8_PST
AUX8_PRE
AUX7_PST
AUX7_PRE
AUX6_PRE
AUX6_PST
AUX5_PST
AUX5_PRE
AUX4
AUX2
AUX3
AUX1
PEAK
RECTIFIER
READING +8
-10
0
+16
MUTE
BLOCK
WITH
MUTESW
&GROUP
MUTE
SWITCHES
ASON
MONO
INPUT
FDR
L-R 1-2 3-4
C
+13dB
+13dB
+3dB
+3dB
-3dBu 0dBu
BAL
PFL
-3dBu
ALLAUXSENDS
HAVEUNITY
GAINLINEUP
-5dBFROMTOP
STEREOINPUT

AUX1-4

AUX5-8PRE

AUX5-8PST

LEFT

CENTRE

RIGHT

PFL/EN

MATRIX1-4

GRP1-4

MUTES1-4