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Mackie 1220I User Manual

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   Onyx 1220i
FireWire also provides a return for two channels from 
your computer to your mixer:
• 
These can be routed through the control 
room/phones via the FW 1-2 button, to monitor 
the computer audio through your control room 
speakers or headphones (or through the main 
speakers if assign to main mix is selected).
• 
Alternatively, these same two channels can 
be routed through channels 11 and 12, and 
treated just like any other channel, with  
adjustment for gain, EQ, level, and pan, as 
well as to solo, and add to the main mix and 
aux send 1 and 2. In this way, your stereo   
computer source can be used alongside the 
other channels as "just another source" in the 
band, such as a virtual instrument, or the 
output of a guitar going through   
 
amp-modelling software. This routing is done 
using the FW/line input selector switch on 
channels 11/12.
• 
Note: Route the two channels from your 
computer through the control room/ 
headphones or through channels 11 and 12. 
Do not use both.
FIREWIRE PRE/POST
Each channel of the mixer can send a FireWire output 
to your computer or DAW. The FireWire output from 
each channel can be tapped before (pre) or after (post) 
the channel EQ. (The output is  pre-fader.)
If you want the mixer EQ to affect the FireWire 
recording, then set this switch to post. This is useful 
in recording channels in a studio (where the recording 
includes the benefi cial effect of our Perkins EQ).
If you would rather record the straight signals from a 
live performance, and EQ them later in your DAW, then 
set this switch to pre. This is good for live work, where 
you may have added EQ to adjust for the room, and yet 
not want this added to your recording.
INPUT (LINE or FW 1-2)
Channel 11 and 12 can either be fed from the 
1/4" stereo line-level inputs, or by FireWire outputs  
1 and 2 from your computer. This switch lets you choose 
which to use. Either way, channels 11 and 12 receive 
line-level analog audio signals just prior to the gain  
control, so channel setup, gain adjustment and EQ 
adjustment are the same for line or FireWire.
CONTROL ROOM FW 1-2
If this is engaged, you can listen to FireWire 1 and 2 
playback from your computer in the control room and 
headphones. This can also be added to the main mix if 
control room assign to main mix is engaged. See below.
ASSIGN TO MAIN MIX
Engage the control room FW 1-2 switch and the    
"assign to main mix" switch to play two tracks directly 
from your computer through the control room/phones 
source matrix and into the main mix. This is great for 
listening to iTunes
®
 or other pre-recorded material from 
your computer.
FireWire Connections
FW Pre 
or Post
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 
Headphones
Line/FW 1-2
Assign to
main mix
FW 1-2
Aux 
master 
controls