Service Manuals, User Guides, Schematic Diagrams or docs for : . Various SM scena Allen allen-heath_gl2400 gl2400_blockdiagram_1
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GRP 1-4
GL2400
AUX 1-6
SYS-LINK CONNECTION
PFL
LR
SL
PHANTOM POWER
METER AFL
4 BAND EQUALISER
48V PFL
HF GRP/AUX REV
GAIN
SL AUX
MIC AUX OUT
LINE/PAD POL HM MUTE
-20dB HPF EQ IN PAN
2= + L-R
+ AUX MIX +10dB boost
- TIP= +
LM 1-2
GROUPS / AUX 1-4
BALANCED TIP= + IMPEDANCE BALANCED
FADER 3-4 +4dBu BAL OPTION -2dBu
LINE
LF METER
TIP= SEND
INSERT FADER AFL
0dBu GRP MIX +10dB boost
RING= RETURN POST-EQ B
SL INSERT
PRE-INSERT, PRE-EQ GROUP OUT
A MUTE BAL
PRE PRE -2dBu 2=+
+4dBu
MIC/MONO INPUTS
JUMPER F E H G J I L K TO MATRIX
P S P S A S A S
TIP= + PRE-FADE C PAN L-R
DIRECT OUT
0dBu POST-FADE D
RING= - AUX 1 2 3 4 5 6
IMPEDANCE BALANCED
P = PRE-FADE
S = SWITCHED
A = POST-FADE AFL
LR/AUX REV
SL AUX
AUX OUT
48V METER +10dB boost
AUX MIX
TIP= +
PHANTOM POWER
GAIN
4 BAND EQUALISER PFL L(R) / AUX 5(6) +4dBu BAL OPTION
IMPEDANCE BALANCED
-2dBu
MIC
2= + METER
+ HF SUM + FADER AFL
- L(R) MIX +10dB boost
MUTE
HM EQ IN PAN SL INSERT
TIP= + L-R L(R) OUT
MIC OUT + MUTE BAL
0dBu -2dBu 2=+
(break jack) RING= - LM 1-2 +4dBu
FADER
PRE-FADE POST-FADE
M S M S 3-4
LF
GAIN
L/M CH + +
CN4 CN5
INPUT ST1(3) MONO/STEREO AUX
LR TO MATRIX, MONO, MONITOR, 2TRK
R IN1
IN2
PRE PRE IN3 MATRIX EXT IN NORMALLING
FOR COMMON MONO OR STEREO SOURCE
IN4
MONO
+ AFL disable in WEDGE mode
L/M -
GAIN METER
CH MATRIX EXT IN
FROM L,R AFL
INPUT ST2(4) 0dBu
JUMPER OPTIONS B A D C F E H G J I L K SUM AUX6
LR
FADER M OUT
+
+ P S P S P S P S A S A S MUTE BAL
R - P = PRE-FADE
+10dB boost
S = SWITCHED
FROM GRP,L,R
EXT IN FROM AUX6 2=+
A = POST-FADE
3 4 5 6 WEDGE MODE +4dBu
AUX 1 2
GRP1
MIC/STEREO INPUTS GRP2
FROM PFL/AFL
GRP3
GRP4
MATRIX MIX LEVEL MUTE
L MATRIX OUT
MONITOR
ON L-R R L R
1KHz OSC LEVEL +10dB boost
48V PHANTOM POWER TIP= +
DIM GRP1-4 AFL
MATRIX 1-4
OFF ON PINK NOISE IMPEDANCE BALANCED
AUX1-2
TALKBACK
GAIN AUX3-4
+4dBu BAL OPTION -2dBu
MONITOR
MIC IN PRESS TO TALK MONITOR OUT
AUX5-6
2= + L
+
-
2-TRACK R
BALANCED FROM L,R 2TRK TO LR
SEND RETURN PFL/AFL
L L/M IMPEDANCE BALANCED
-2dBu
R R
LR/2-TRK PHONES OUT
TIP = LEFT
PFL/AFL MIX RING = RIGHT
TO WEDGE MODE
SL
SL
PFL/AFL DC
gl2400_blockdiagram_1.doc Sheet 1 of 1
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