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8
Onyx 1640i
This diagram shows an electric guitar connected directly to the channel 1 input (hi-z switch in), a bass
guitar connected directly to channel 2 (hi-z switch in), an acoustic guitar mic connected to the channel 3
mic input, studio mics connected to channel 4-8 mic inputs, an electronic drum set connected to channel
9-10 line inputs, and a keyboard connected to channel 11-12 line inputs. A CD player connects to the
tape input for referencing pre-recorded material.
A multi-FX processor is connected to the insert jack of channel 1 to work its magic on your guitar. A dy-
namics processor is connected to insert 2 for your bass, and an additional dynamics processor connects
to insert 3 for your acoustic guitar. Compressors are connected to inserts 6-8 for your vocals. A stereo
compressor is connected to the main inserts.
Mackie HR824mk2 powered reference monitors are used for your control room listening. The engi-
neer's headphones are used to monitor levels.
In this example, auxes 1-2 feed the inputs of multi-FX processors, whose stereo outputs enter the aux 1-
2 returns, to be added to the main mix by adjusting the master return knob for auxes 1-2. Auxes 3-6 are
set up to provide the feed to separate headphone amplifiers and the bands' headphones. Each member
may set the levels to their liking.
A desktop computer connects to a FireWire port allowing any number of the 16 individual channels to
be tracked at one time using audio production software.
Mixer channels 15/16 can play the 2-channel signals from your computer if the FW 15/16 switches
at the top of the 15/16 channel strips are engaged. This makes for easy playback for any overdubs that
may be necessary.
Typical Recording System
SOLO
MUTE
SOLO
MUTE
SOLO
MUTE
SOLO
MUTE
SOLO
MUTE
SOLO
MUTE
SOLO
MUTE
SOLO
MUTE
SOLO
MUTE
SOLO
MUTE
SOLO
MUTE
SOLO
MUTE
SOLO
MUTE
SOLO
MUTE
SOLO
MUTE
SOLO
MUTE
EQ
EQ
EQ
EQ
EQ
EQ
EQ
EQ
EQ
EQ
EQ
EQ
EQ
EQ
EQ
EQ
SOLO
SOLO
SOLO
SOLO
SOLO
SOLO
1-2
3-4
dB
30
20
10
40
50
5
5
U
60
10
5
GAIN
4
CONTROL
ROOM
PHONES
L
R
SUB ASSIGN
L
R
L
R
L
R
MAIN
SUBS
SENDS
RETURNS
RUDE
SOLO
SUB 3-4
FW 1-2
SUB 1-2
TAPE
ASSIGN TO
MAIN MIX
MAIN MIX
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
MAIN
MIX
SUB1
SUB4
SUB3
SUB2
SUB1
SUB4
SUB3
SUB2
4
3
2
2
1
1
6
4
2
1
5
6
3
PAN
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
CTRL ROOM/PHONES
SOURCE
LEVEL
MIC
EXTERNAL
MIC
DESTINATION
AUX MASTER
TALKBACK
PHONES
AUX 1-6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
HIGH
LOW
HIGH
LOW
1-2
3-4
GAIN
4
2
1
5
6
3
PAN
HIGH
LOW
HIGH
LOW
SOLO
LEVEL
TAPE IN
SOLO
MODE
L
R
POWER
1-2
3-4
GAIN
4
2
1
5
6
3
PAN
HIGH
LOW
HIGH
LOW
1-2
3-4
GAIN
4
2
1
5
6
3
PAN
HIGH
LOW
HIGH
LOW
1-2
3-4
GAIN
4
2
1
5
6
3
PAN
HIGH
LOW
HIGH
LOW
1-2
3-4
GAIN
4
2
1
5
6
3
PAN
HIGH
LOW
HIGH
LOW
1-2
3-4
GAIN
4
2
1
5
6
3
PAN
HIGH
LOW
HIGH
LOW
1-2
3-4
GAIN
4
2
1
5
6
3
PAN
HIGH
LOW
HIGH
LOW
1-2
3-4
GAIN
4
2
1
5
6
3
PAN
HIGH
LOW
HIGH
LOW
1-2
3-4
GAIN
4
2
1
5
6
3
PAN
HIGH
LOW
HIGH
LOW
1-2
3-4
GAIN
4
2
1
5
6
3
PAN
HIGH
LOW
HIGH
LOW
1-2
3-4
GAIN
4
2
1
5
6
3
PAN
HIGH
LOW
HIGH
LOW
1-2
3-4
GAIN
4
2
1
5
6
3
PAN
HIGH
LOW
HIGH
LOW
1-2
3-4
GAIN
4
2
1
5
6
3
PAN
HIGH
LOW
HIGH
LOW
1-2
3-4
GAIN
4
2
1
5
6
3
PAN
HIGH
LOW
HIGH
LOW
1-2
3-4
GAIN
4
2
1
5
6
3
3
PAN
HIGH
LOW
HIGH
LOW
AUX MASTERS
R
1
2
3
1
2
3
4
5
6
L
4
MAIN MIX
A LT E R N AT E F I R E W I R E A S S I G N M E N T S
SUBGROUPS
TALKBACK
RECORDING OUTS
1-8
9-16
SUB OUT
FIREWIRE
CTRL-RM OUT
TAPE
MAIN INSERT
IN
OUT
AUX SEND
AUX RETURN
3
3
R
L
R
R
L
R
L
R
L
R
L
R
L
1
4
2
5
1
2
4
3
1
6
4
2
R
L
R
L
MAIN OUT
HI-Z
L
1
INSERT
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
HI-Z
INSERT
LINE
INSERT
LINE
INSERT
LINE
INSERT
LINE
INSERT
LINE
INSERT
LINE
INSERT
LINE
INSERT
LINE
INSERT
LINE
INSERT
LINE
INSERT
LINE
INSERT
LINE
INSERT
LINE
INSERT
LINE
INSERT
Engineer’s
Headphones
Electric
Guitar
Bass
Guitar
press HI-Z
button
Keyboard
Send
Return
Send
Return
Send
Return
Stereo Compressor
press FW button ( ) to receive
audio playback from computer
Acoustic
Guitar
mic’d up
Multi FX Processor (Aux Send 1)
Multi FX Processor (Aux Send 2)
CD Player
Mackie HR824mk2
Powered Reference
Monitor for Control
Room (Left)
Mackie HR824mk2
Powered Reference
Monitor for Control
Room (Right)
Electronic
Drum Kit
Headphone Amp
(Aux Send 5)
Headphone Amp
(Aux Send 6)
Headphone Amp
(Aux Send 3)
Headphone Amp
(Aux Send 4)
Dynamics Processor (Acoustic)
Dynamics Processor (Bass)
Multi FX Processor (Guitar)
Compressor (Vocals)
Compressor (Vocals)
Compressor (Vocals)
Send
Return
Send
Return
Send
Return
Sends
Right Return
Left Return
Computer with
audio production
software
Studio
Microphones
Studio
Microphones
Headphones
press FW button ( ) to send
main mix to computer via
FireWire channels 15 and 16
Right Return
Left Return