Rear panel
27
Master section input/output jacks
F
MIX INSERT I/O jacks
These are TRS phone jacks for inserting external sig-
nal processors into MIX buses 1–16. Nominal input/
output level is 0 dB. Pin wiring is as follows.
G
STEREO INSERT I/O jacks
These are TRS phone jacks for inserting external sig-
nal processors into the ST bus. Nominal input/output
level is 0 dB. Pin wiring is as follows.
H
MATRIX SUB IN jacks
These are 1/4" phone jacks (unbalanced) for mixing
the signals of external devices into matrix 1–8. Nomi-
nal input level is +4 dB. Pin wiring is as follows.
I
MIX OUT jacks
These are XLR-3-32 output jacks (balanced) for indi-
vidually outputting the signals of MIX buses 1–16.
Nominal output level is +4 dB. Pin wiring is as fol-
lows.
J
MATRIX OUT jacks
These are XLR-3-32 output jacks (balanced) for indi-
vidually outputting the signals of matrix 1–8. Nomi-
nal output level is +4 dB. Pin wiring is as follows.
K
MIX SUB IN jacks
These are 1/4" phone jacks (unbalanced) for individu-
ally mixing signals from external devices into MIX
buses 1–16. Nominal output level is +4 dB. Pin wiring
is as follows.
L
ST OUT A/B jacks
These are XLR output jacks (balanced) for outputting
the signals from the STEREO A/B sections. Nominal
output level is +4 dB for both sections. Pin wiring is as
2
–10dBV
1
+4dB
MASTER
SLAVE
VCA
MASTER/SLAVE
VCA
EXTERNAL I/O
CUE CONTROL
IN
OUT
THRU
MIDI
2TR IN
MONITOR
OUT
+4dB
MATRIX
OUT
+4dB
MIX OUT
+4dB
ST
INSERT
I/O
0dB
MATRIX
SUB IN
+4dB
MIX INSERT
I/O
0dB
ST
OUT
+4dB
CONTROL
CUE SUB IN
ST SUB IN
MIX SUB IN
+4dB
+4dB
+4dB
R
L
R
L
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PHANTOM
MASTER
ON
OFF
L
R
L
R
L
R
L
R
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
13
14
15
16
9
10
11
12
A
B
DC POWER INPUT
F
G
J
K
H
O
P
T
V
R
I
L
M
N
Q
S
U
1/4" phone plug
1/4" phone plug
1/4" TRS phone plug
To processor’s input
From processor’s output
Connect to INSERT I/O jack
Tip (send)
Tip (send)
Ring (return)
Sleeve (ground)
Sleeve (ground)
Tip (return)
Sleeve (ground)
1/4" phone plug
1/4" phone plug
1/4" TRS phone plug
To processor’s input
From processor’s output
Connect to INSERT I/O jack
Tip (send)
Tip (send)
Ring (return)
Sleeve (ground)
Sleeve (ground)
Tip (return)
Sleeve (ground)
1/4" phone plug
Tip (send)
Sleeve (ground)
Female XLR plug
1 (ground)
3 (cold)
2 (hot)
Female XLR plug
1 (ground)
3 (cold)
2 (hot)
1/4" phone plug
Tip (send)
Sleeve (ground)