Mackie ONYX 1220i Owner's Manual - 7-8
22
Onyx 1220i
Tape is the stereo signal coming in from the tape in
[15] RCA jacks. FireWire is a 2-track feed coming in
through the FireWire [3] connection from your comput-
er. Alt 3-4 is the additional stereo mix bus formed when
any channel is muted with the mute/alt 3-4 switch [31].
Selections made here deliver stereo signals to the
control room, phones, and meters. With no switches or
main mix [35] engaged, there will be no signal at these
outputs and no meter indication.
The exception is the solo function. Regardless of the
source matrix selection here, engaging a channel’s solo
switch will replace that selection with the solo signal,
sent to the control room, phones, and the right meter.
37. ASSIGN TO MAIN MIX
Let’s say you’re doing a live show: "You're doing a live
show." Intermission is nearing and you want to play a
soothing CD for the crowd to prevent them from becom
-
ing antsy. Simply engage this switch and your source
matrix selection, after going through the control room
level control, will feed into the main mix, just as if it
were another stereo channel.
What if you have a playlist of MP3 files on your
computer you want to play during the break? Engage
this switch and the FireWire switch [36] to play your
MP3s directly from your computer, through the source
matrix, and into the main mix.
Another handy use for this switch is to enable the alt
3-4 mix to become a submix of the main mix, using the
control room level control.
Side effects to engaging this switch:
1. It will also feed any soloed channels into the
main mix, which may be the last thing you
want.
2. If you have main mix as your source matrix
selection and then engage this switch, the main
mix lines to the source matrix will be discon-
nected from the control room and phones
outputs, to prevent feedback.
3. If you have tape as your source matrix selec-
tion, and then engage this switch, it can create
a feedback path between tape in and tape out.
Make sure your tape deck is not in record,
record-pause, or input monitor mode when you
engage these switches, or make sure the con-
trol room knob [38] is turned all the way down.
38. CONTROL ROOM Knob
This controls the volume at the control room outputs,
from off to maximum gain (+10 dB). It also controls the
level of the control room signal going to the main outs
when assign to main mix [37] is selected.
dB
30
20
10
40
50
5
5
U
60
10
O
O
10
dB
30
20
10
40
50
5
5
U
60
O
O
ALT 3/4
10
dB
30
20
10
40
50
5
5
U
60
O
O
ALT 3/4
10
dB
30
20
10
40
50
5
5
U
60
O
O
ALT 3/4
10
dB
30
20
10
40
50
5
5
U
60
O
O
ALT 3/4
10
dB
30
20
10
40
50
5
5
U
60
O
O
ALT 3/4
10
dB
30
20
10
40
50
5
5
U
60
O
O
ALT 3/4
10
dB
30
20
10
40
50
5
5
U
60
O
O
ALT 3/4
10
dB
30
20
10
40
50
5
5
U
60
O
O
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
ON
YX MIC PRE
TALKBACK
MAIN MIX
TALKBACK
PRE
POST
HI-Z
LINE
PREMIUM ANALOG MIXER
w/ PERKINS EQ & FIREWIRE
TAPE
MAIN OUT
IN
OUT
L
R
BAL/UNBAL
BAL/UNBAL
ALT 3-4 OUT
BAL/UNBAL
CTRL - RM OUT
AUX
1-2
PHONES
DESTINATION
LEVEL
O
O
MAX
SEND
PRE
POST
SEND
PRE
POST
SEND
EQ
MID
2.5kHz
HIGH
12kHz
PRE
POST
SEND
L
L
L
L
R
R
R
R
SEND
INPUT
FW 1-2
LINE
(MONO)
(MONO)
(MONO)
(MONO)
R/4
L/3
L
R
L
R
POWER
MIC
1
2
75Hz
18dB/OCT
3
75Hz
18dB/OCT
4
ON
YX MIC PRE
PRE
POST
HI-Z
LINE
SEND
ON
YX MIC PRE
PRE
POST
SEND
ON
YX MIC PRE
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
12kHz
MID
2.5kHz
LOW
80Hz
HIGH
12kHz
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
L
R
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
O
O
MAX
O
O
+
15
O
O
+
15
O
O
+
10
O
O
+
10
O
O
MAX
O
O
MAX
O
O
U
+15
-15
U
+15
-15
LOW
80Hz
AUX
2
1
L
R
PAN
MAX
O
O
MAX
O
O
2
3
4
7-8
5-6
AUX
2
1
L
R
PAN
MAX
O
O
MAX
O
O
AUX
2
1
L
R
PAN
MAX
O
O
MAX
O
O
AUX
2
1
L
R
PAN
MAX
O
O
MAX
O
O
9-10
11-12
LINE IN 9-10 LINE IN 11-12
LINE IN 7-8
LINE 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
O
O
MAX
O
O
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
O
O
MAX
O
O
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
O
O
MAX
O
O
MID
FREQ
1
FIREWIRE
L
R
POWER
4
3
CHANNEL INSERT
BAL/UNBAL
1
AUX RETURN
2
2
1
1
( PRE-FADER / PRE EQ TIP SEND / RING RETURN )
BAL/UNBAL
2
MAIN OUT
BALANCED
AUX SEND
L
R
L
R
MAIN OUTPUT
LEVEL
MIC
+
4dB
Control Room/Phones and
Meters
Typically, the engineer sends the main mix to an audi-
ence (for a live show) or to a mixdown deck (if record-
ing). But what if the engineer needs to hear something
other than the main mix in the control room or head-
phones? With the Onyx 1220i, the engineer has several
choices of what to listen to. This is one of those tricky
parts, so buckle up.
35. MAIN MIX
Press this switch in to listen to the main mix in your
control room and headphones, and to check the main
mix levels in the meters. In addition to the main mix,
you can listen to any combination of tape, FW 1-2 and
alt 3-4, depending on which of these switches [36] is
engaged.
If the assign to main mix switch [37] is
engaged, you cannot hear the main mix in the
control room or headphones, or see its level
on the meters. This is to prevent feedback caused by
sending the main mix to the main mix.
36. TAPE, FW 1-2, ALT 3-4
Using these source switches, you can choose to listen
to any combination of tape, FireWire, and alt 3-4 in the
control room and headphones, in addition to the main
mix if its source switch [35] is engaged.
35
36
37
38
40
39
41