Mackie Onyx 1220i Owner's Manual - Page 32

Block Diagram - logic

Page 32 highlights

32 Onyx 1220i 48V Mono Channels 1-4 Mic Line Mic Ch 1-2 Line Hi-Z Input from FW 1 ret (Ch.11-12 only) L Stereo Channels 5-12 R Input from FW 2 ret (Ch.11-12 only) Phantom Insert + - Bypass Low Cut Gain Mic: 0 ~ +60dB Line: -20 ~ +40dB 75Hz HPF + - Line Hi-Z Line FW (Ch.11-12 only) Gain -20 ~ +20dB 3-Band EQ LO MID HI 80 100~8K 12K Mod Pt Pre Post FW Tap To FW Mod Pt PK -20 Main L/R Alt 3/4 Pan Level Aux Sends Mod Pt PK -20 3-Band EQ LO MID HI 80 2.5K 12K LO MID HI 80 2.5K 12K Pre Post To FW Mod Pt FW Tap To FW Mod Pt Solo Level Pan Main L/R Alt 3/4 Mod Pt Solo L Aux Return 1 R L Aux Return 2 R Level to Main L/R to Aux1 Level Internal Talkback mic Talkback Level Talkback Assign to Phones to Aux1-2 NOTE: Switches are shown in the default (out) position. NOTE: Modifications (marked MOD above) must be undertaken by authorized LOUD service centers only Main R L R L Main R/4 L/3 Alt R/4 Alt L/3 Aux 1 (pre) Aux 1 (pre) Aux 1 (post) Aux 1 (post) Aux 2 (pre) Aux 2 (pre) Aux 2 (post) Aux 2 (post) Solo(PFL) Solo(PFL) SoloLogic SoloLogic L sum Main level R sum +4dBu Mic level Alt L/3 sum Alt R/4 sum L CD/Tape in R Solo sum C/R Source Alt3/4 CD/Tape RUDE SOLO LED Main C/R L C/R R Meter C/R dim Control Room level off C/R to Main Solo logic FW 1-2 to Ch 11-12 off Firewire1-2 to C/R Tape Bal/Unbal Left Bal Main Out Bal Right Bal/Unbal Tape Left/3 Alt out Right/4 Control Room Out L R Phones level Phones Firewire I/O Aux 1 Aux 1 sum pre post Aux 2 Aux 2 sum pre post Aux 1 level Aux 2 level Channel 1-12 direct outs FW 15-16 FW 1-12 Firewire outputs FW 13-14 Aux 1 Out Aux 2 Out Block Diagram

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32
Onyx 1220i
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
Control
Room
level
Main level
Aux Return 2
L
R
Insert
HPF
Solo
Level
Pan
Solo
Level
Aux Sends
Pan
Level
Tape
Left
Right
Left/3
Right/4
Aux 1 Out
Aux 2 Out
Aux 1 level
Phones
Control
Room Out
L
R
L sum
R sum
Alt L/3 sum
Alt R/4 sum
Aux 1 sum
Aux 2 sum
Solo sum
Level
Aux Return 1
L
R
LO
MID
80
100~8K
12K
HI
Aux 1
Tape
Meter
CD/Tape in
L
R
RUDE
SOLO
LED
Bal/Unbal
Bal/Unbal
Bal
Bal
Talkback Assign
Alt3/4
CD/Tape
Main
C/R Source
3-Band EQ
Phones
level
Aux 2 level
Aux 2
to Phones
to Aux1-2
Firewire I/O
FW 13-14
C/R
dim
Channel 1-12
direct outs
Firewire
outputs
Alt 3/4
Main L/R
Alt 3/4
Main L/R
to Aux1
to Main L/R
post
pre
post
pre
Firewire1-2 to C/R
off
C/R to Main
off
Low Cut
Bypass
Talkback
NOTE: Switches are shown in the default (out) position.
Mic level
+4dBu
C/R
L
C/R
R
Alt out
Main Out
48V
Mono
Channels 1-4
Mic
Line
Gain
+
-
Mic: 0 ~ +60dB
Line: -20 ~ +40dB
Hi-Z
Line
Hi-Z
+
-
Line
Ch 1-2
3-Band EQ
LO
80
2.5K
12K
HI
MID
LO
80
2.5K
12K
HI
MID
PK
-20
PK
-20
Internal
Talkback mic
Level
Stereo
Channels
5-12
L
R
FW
Line
Input from FW 1 ret
Input from FW 2 ret
(Ch.11-12 only)
(Ch.11-12 only)
(Ch.11-12 only)
To FW
FW Tap
FW Tap
To FW
To FW
-20 ~ +20dB
Gain
Mic
75Hz
Post
Pre
Mod Pt
Mod Pt
Mod Pt
Post
Pre
Mod Pt
Mod Pt
Mod Pt
FW 1-12
FW 15-16
FW 1-2 to
Ch 11-12
Phantom
NOTE: Modifications (marked MOD above) must be undertaken by authorized LOUD service centers only
Block Diagram