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A-B O
UTPUT
POWER ON
PHANTOM
48V ON
AUX
AUX
1
1
0
0
O O
+ 6
O O
+ 6
AUX
L-R
2
0
0
O
O
+ 6
O
O
+ 6
L-R
0
O O
+ 6
+ 16
+ 9
EFFECTS
+ 6
+ 3
1
9
0
2
10
-3
3
11
-6
4
12
-9
5
13
-12
6
14
-16
7
15
-20
8
16
-30
L
R
BANK
PFL
SELECT
5
4
6
LEV
3
7
2
8
PRE
1
9
0
1
0
AUX
1
0
1
1-2
O O
+ 4
AUX
2
2
0
3
O O
+ 4
AUX
3-4
3
4
0
O O
+ 4
5
AUX
4
5-6
0
6
O O
+ 4
AUX
5
O O
+ 4
AUX
ALL UP = L-R
6
POST
PRE
O O
+ 4
POST
ALT L-R OUT
EFFECTS
MONO OUT
0
LOCAL MONITO R
AUX5 = 1-16
SINGLE
MODE
DUAL
AUX5 = 1-8
O
O
+ 10
AUX6 = 9-16
MO NO
L
R
10
5
0
5
10
WZ
16:2
DX
With effects by
20
30
O
O
18
The A-B output is an additional stereo/mono output that can be uniquely
configured as either a separately controllable mix output, or a local
loudspeaker monitor feed.
MODE SWITCH - This switch is recessed under the panel to prevent
accidental operation. It is operated using a pen tip or similar pointed object.
In the normal up position A-B follows the main L-R mix. When pressed A-B
follows the monitor switchbank + PFL to become a 'local' monitor in addition to
the headphones.
POST/PRE - This recessed switch selects whether the L-R signal fed to A-B
is sourced pre or post the L-R faders.
LEVEL - Adjust the output level using this control. Up to +10dB of boost is
available above the nominal '0' position.
MONO - Sums L+R into mono. When A-B is configured as an additional mix
output the MONO switch provides a mono output ideal for centre fill or sub-
bass loudspeaker systems, or mono recording and broadcast feeds. When A-
B is configured as a local monitor the MONO switch lets you check the mono
compatibility of the selected mono source. Alternatively you can feed a local
mono speaker monitor such as an engineers listen wedge.
Here are a few applications of the versatile A-B output:
L-R stereo live recording / broadcast
mode = up, set pre-fade
level trim to match recorder, L and R out
Mono live recording / broadcast
mode = up, set pre-fade, mono selected
level trim to match recorder, 2x M out
Additional L-R zone speakers
mode = up, set pre or post fade
level trim to balance speakers, L and R out
L-R delay fill speakers
mode = up, set post-fade
level trim to balance to main, L and R out
Mono centre fill speaker
mode = up, set post-fade, mono selected
level trim to balance to main, 2x M out
Sub-bass speaker
mode = up, set post-fade, mono selected
level trim to balance to main, 2x M out
Local stereo speaker monitor
mode = down
separate monitor level, L and R out
Local floor listen wedge monitor
mode = down, mono selected
separate monitor level, 2x M out
WZ16:2DX
WZ12:2DX U
AND
A-B
G
SER
UIDE
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