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Quick Start Guide 13
Alt 3-4
MUTE/ALT 3-4 SWITCHES
Every time a bell rings, an Angel gets its wings. In a
similar way, every time a mute switch is pressed, that
channel is muted in the main mix and appears in the
alt 3-4 outputs instead.
If you just want to mute the channels, then don't
connect the alt 3-4 outputs to anything.
Muted channels can still be soloed to audition them
in the headphones and control room, and to adjust and
check the channel gain levels.
ALT 3-4 OUTPUTS
These 1/4" TRS jacks provide a balanced line-level
signal that can provide an alternate stereo mix for
recording or subgrouping.
Connect these outputs to the inputs of an amplifi er,
powered speaker, or recording device. If you want to
think up some good uses for the alt 3-4 outputs then go
ahead.
For example, these outputs could be used to send
particular channels to another zone, or you could create
a sub-mix of several drum microphones. The alt 3-4
submix can then be routed to the control room and
phones, by pressing the control room alt 3-4 switch, and
then added to the main mix with the control room
"assign to main mix" switch.
The alt 3-4 output doesn’t have a master level control.
All the channels assigned to the alt 3-4 bus are summed
together (post-fader and pan) and sent directly to the
alt 3-4 out.
dB
30
20
10
40
50
5
5
U
60
10
OO
10
dB
30
20
10
40
50
5
5
U
60
OO
ALT 3/4
10
dB
30
20
10
40
50
5
5
U
60
OO
ALT 3/4
10
dB
30
20
10
40
50
5
5
U
60
OO
ALT 3/4
10
dB
30
20
10
40
50
5
5
U
60
OO
ALT 3/4
10
dB
30
20
10
40
50
5
5
U
60
OO
ALT 3/4
10
dB
30
20
10
40
50
5
5
U
60
OO
ALT 3/4
10
dB
30
20
10
40
50
5
5
U
60
OO
ALT 3/4
10
dB
30
20
10
40
50
5
5
U
60
OO
ALT 3/4
OL
-
20
OL
-
20
OL
-
20
OL
-
20
OL
-
20
OL
-
20
OL
-
20
OL
-
20
SOLO SOLO SOLO SOLO SOLO SOLO SOLO SOLO
MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE
48V 48V 48V 48V
U
+15
-15
U
+15
-15
O
N
Y
X
M
I
C
P
R
E
TALKBACK
MAIN MIXTALKBACK
PRE
POST
HI
-
Z
LINE
PREMIUM ANALOG MIXER
w/ PERKINS EQ & FIREWIRE
TAPE
MAIN OUT
IN OUT
L
R
BAL/UNBALBAL/UNBAL
ALT 3
-
4 OUT
BAL/UNBAL
CTRL - RM OUT
AUX
1-2
PHONES
DESTINATION
LEVEL
OO
MAX
SEND
PRE
POST
SEND
PRE
POST
SEND
EQ
MID
2.5kHz
HIGH
12k Hz
PRE
POST
SEND
LLL
L
RRR
R
SEND INPUT
FW 1-2
LINE
(MONO)(MONO)
(MONO)
(MONO)
R/4L/3
LRLR
POWER
MIC
12
75Hz
18dB/OCT
3
75Hz
18dB/OCT
4
O
N
Y
X
M
I
C
P
R
E
PRE
POST
HI
-
Z
LINE
SEND
O
N
Y
X
M
I
C
P
R
E
PRE
POST
SEND
O
N
Y
X
M
I
C
P
R
E
GAIN GAIN GAIN GAIN
+40dB
U
-20dB
U
20
30
40
60
+40dB
U
-20dB
U
20
30
40
60
+40dB
U
-20dB
U
20
30
40
60
+40dB
U
-20dB
U
20
30
40
60
U
+15
-15
U
+15
-15
U
+15
-15
U
+15
-15
EQ
MID
2.5kHz
LOW
80Hz
HIGH
12kHz
EQ
MID
2.5kHz
LOW
80Hz
HIGH
12k Hz
MID
2.5kHz
LOW
80Hz
HIGH
12k Hz
PRE
POST
SEND
1k
100 8k
HIGH
12kHz
U
+15
-15
LOW
80Hz
EQ
AUX
2
1
L
R
PAN
1
LINE
2
LINE
4
LINE
3
LINE
BAL/UNBAL BAL/UNBAL BAL/UNBAL
BAL/UNBAL
BAL/UNBAL BAL/UNBAL BAL/UNBAL BAL/UNBAL
GAIN GAIN GAIN GAIN
+20dB-20dB
U
+20dB-20dB
U
U
+15
-15
U
+15
-15
U
+15
-15
+20dB-20dB
U
U
+15
-15
U
+15
-15
U
+15
-15
+20dB-20dB
U
AUX MASTER
2
1
SEND
RETURN
2
1
CTRL ROOM/PHONES
SOURCE
PHONES
CONTROL
ROOM
RUDE
SOLO
20
15
10
6
3
0
2
4
7
10
20
30
LR
0dB=0dBu
LEVEL
SET
CLIP
PRE
POST
PRE
POST
RTN TO
AUX1
MAIN MIX
ALT 3
-
4
TAPE
FW 1-2
ASSIGN TO
MAIN MIX
MAX
OO
MAX
OO
+15
OO
+15
OO
+10
OO
+10
OO
MAX
OO
MAX
OO
U
+15
-15
U
+15
-15
LOW
80Hz
AUX
2
1
L
R
PAN
MAX
OO
MAX
OO
234 7-85-6
AUX
2
1
L
R
PAN
MAX
OO
MAX
OO
AUX
2
1
L
R
PAN
MAX
OO
MAX
OO
AUX
2
1
L
R
PAN
MAX
OO
MAX
OO
9-10 11-12
LINE IN 9-10 LINE IN 11-12LINE IN 7-8LINE IN 5-6
MID
FREQ
U
+15
-15
U
+15
-15
1k
100 8k
HIGH
12kHz
U
+15
-15
LOW
80Hz
EQ
AUX
2
1
L
R
PAN
MAX
OO
MAX
OO
MID
FREQ
U
+15
-15
U
+15
-15
1k
100 8k
HIGH
12kHz
U
+15
-15
LOW
80Hz
EQ
AUX
2
1
L
R
PAN
MAX
OO
MAX
OO
MID
FREQ
U
+15
-15
U
+15
-15
1k
100 8k
HIGH
12kHz
U
+15
-15
LOW
80Hz
EQ
AUX
2
1
L
R
PAN
MAX
OO
MAX
OO
MID
FREQ
1
Alt 3-4 outputs
Mute/Alt 3-4
switches
Control Room/
Phones Source
Alt 3-4
Assign to Main
Mix
Main Mix Level