22
Onyx 1220i
Block Diagram
L
R
Aux 1 (post)
Aux 2 (post)
Solo(PFL)
SoloLogic
Main
L/3
R/4
Alt
Aux 1 (pre)
Aux 2 (pre)
L
R
Aux 1 (post)
Aux 2 (post)
Solo(PFL)
SoloLogic
Main
L/3
R/4
Alt
Aux 1 (pre)
Aux 2 (pre)
Solo logic
Co
n
tr
o
l
Ro
om
level
Main level
Aux
R
e
turn
2
L
R
In
sert
HP
F
Solo
Le
v
e
l
Pan
So
lo
Lev
e
l
Aux
S
e
nd
s
Pan
Lev
e
l
Tape
Le
ft
Right
Lef
t/3
Rig
h
t/
4
Aux
1 O
u
t
Au
x 2
Ou
t
A
u
x 1 level
Pho
n
es
Co
n
tr
o
l
Room Ou
t
L
R
L su
m
R sum
Al
t L/
3 s
u
m
Alt
R/
4
sum
Aux 1 sum
Aux 2
s
u
m
Sol
o
su
m
Lev
e
l
Aux
R
e
turn
1
L
R
LO
MI
D
8
0
10
0~8K
12
K
HI
Aux 1
Tape
Me
te
r
CD
/Tape
in
L
R
RU
DE
SOLO LED
Bal/U
nbal
Bal/U
nbal
Bal
Bal
T
a
lk
ba
c
k
As
si
gn
Alt3/4
CD
/T
ape
Ma
in
C/R Sou
rce
3-Band
E
Q
Phone
s
le
v
e
l
A
u
x 2 level
Aux 2
to
P
hone
s
to Aux
1
-2
Firewire
I
/O
FW
1
3
-1
4
C/
R
di
m
C
hann
e
l 1-1
2
di
re
c
t outs
F
ire
wire
outputs
Al
t 3/4
Ma
in
L/
R
Al
t 3/4
Ma
in
L
/R
to Au
x
1
to M
a
in
L/
R
pos
t
pr
e
pos
t
pr
e
F
ire
wi
re
1-
2 t
o
C/
R
off
C
/R to
M
a
in
of
f
Lo
w
C
u
t
By
pa
s
s
Talkb
ack
NOTE: Switches are shown in the default (out) position.
Mi
c le
vel
+4
d
B
u
C/R
L
C/
R
R
Alt o
u
t
Main Ou
t
48
V
Mon
o
Ch
annels
1
-4
Mic
Line
Gain
+
-
Mi
c
: 0 ~ +6
0dB
Li
ne
: -
2
0 ~ +
40dB
Hi
-Z
Li
ne
Hi-Z
+
-
Line
Ch
1
-2
3-Band EQ
LO
80
2.
5
K
12
K
HI
MI
D
LO
8
0
2
.5K
12
K
HI
MI
D
PK
-2
0
PK
-2
0
Int
ern
a
l
Talkb
ack mic
Leve
l
St
ereo
Chann
e
ls
5-1
2
L
R
FW
Li
ne
Inp
ut fr
om
F
W
1 r
e
t
Inp
ut fr
om
F
W
2 r
e
t
(C
h
.11
-1
2
on
ly
)
(C
h
.11
-1
2
on
ly
)
(C
h
.11
-1
2
on
ly
)
To
FW
FW
T
a
p
FW
Tap
To FW
To FW
-2
0 ~ +2
0dB
Ga
in
Mic
75H
z
Po
s
t
Pr
e
Mo
d
P
t
Mo
d Pt
Mo
d
P
t
Po
s
t
Pr
e
M
od Pt
Mo
d
P
t
Mo
d P
t
F
W
1-
12
FW
1
5
-1
6
FW 1
-2
to
Ch
11-
1
2
Phant
o
m
NOT
E
:
Modifications (marked MOD above) must be undertaken by authorized LOUD service centers only
