Mackie ProFX22 Owner's Manual - Page 30

Block Diagram

Page 30 highlights

30 ProFX16 and ProFX22 Global 48v 48V Switch/LED Phantom Power (To All Mics) Phantom Power Mono Mic Channels 1 - 4 [ProFX16] / 1-10 [ProFX22] Line Mono Channels 5-8 [ProFX16] / 11-14 [ProFX22] identical except compressor instead of insert jack + - Gain Mic: 0 ~ +50dB Line: -20 ~ +30dB preamp out bypass HPF In HPF 100Hz bypass HPF In HPF 100Hz Stereo L Channels 9/10 & 11/12 [ProFX16] and R 15/16 & 17/18 [ProFX22] Mic Phantom Power Stereo Channel 15/16 L (13/14 identical except for USB) [ProFX16] and R 21/22 (19/20 identical except for USB) [ProFX22] + - + - Mic Gain: 0 ~ +50dB HPF 100Hz + - bypass HPF In Gain + - + - Line -20 ~ +20dB USB In L USB In R Insert EQ in LO MID HI 80 100~8K 12K Comp EQ in 3-Band EQ w/ Swept Mid OL / Mute Mute Level Assign Pan L/R 1/2 3/4 FX Mon 1 Mon 2 PFL 3-Band EQ LO MIDMID HI 80 2.5K 12K LO MID HI 80 2.5K 12K OL / Mute Level Pan Mute Assign L/R 1/2 3/4 FX Mon 1 Mon 2 PFL To Stereo Channel 15/16 EQ In Line USB + L - Aux Return + R - To Main Mix To Mon 1 To Mon 2 Tape Input L R USB In 2-Track Return Level Int FX Out L Int FX Out R To Post-Break Switch To Main Mix To Mon 1 To Mon 2 NOTE: Switches are shown in the default (out) position. R Main L Main R L 1 1 Sub 3 2 3 2 Sub 4 4 Mon 2 (pre) Mon 1 (pre) Mon 2 (pre) Mon 1 (pre) FX (post) FX (post) Solo Solo L sum R sum To USB/Tape Out R Break switch 2-Track Return L 2-Track Return R To/From Graphic EQ Main level Main L Mon 1 Main R Main L Mon 1 Main R Mains Mon 1 EQ assign switch 7-band Stereo Graphic EQ EQ In EQ out Bypass switch Note: When not assigned to EQ, signal is sent to straight through to destination. Meter Select PFL Solo Main L Sum From Sub1 Main R Sum From Sub2 RUDE SOLO LED Main Sub 1-2 CR/Phones Level PFL Solo Solo Logic L Main Out R USB Out L Tape Out R L Control Room Out R Sub Assign To Main Mix L R To USB/Tape Out L (Sub 1) To USB/Tape Out R (Sub 2) Sub 1 sum to/from Graphic EQ (Only on Mon 1) Sub 1 level Mon 1 Master Level FX Master Level Sig/OL Phones Sub 1 Out (Sub 2-4 identical) Monitor send 1 (Mon send 2 identical) FX send To FX Return L To FX Return R Active FX Mute If either the front panel switch or the footswitch is engaged, the FX mutes. FX 1 Bypass Logic In Out L FX 1 Out R Preset select Footswitch FX Preset Display Internal FX Block Diagram

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30
ProFX16 and ProFX22
Block Diagram
L
R
Solo
Solo
Main
CR/Phones
Level
HPF
Level
Pan
L
R
Sub 1 Out
(Sub 2-4 identical)
To FX Return L
Phones
Control
Room
Out
L
R
L sum
R sum
Sub 1 sum
Sub
Main
Sub
Mon 1 (pre)
Mon 1 (pre)
Assign
3-Band EQ
w/ Swept Mid
Mon 2 (pre)
Mon 2 (pre)
FX (post)
FX (post)
4
3
2
1
L
R
4
3
2
1
Internal FX
Sub 1 level
Sub Assign To
Main Mix
L
R
Aux Return
L/R
1/2
3/4
To Main Mix
100Hz
NOTE: Switches are shown in the default (out) position.
Mute
Main Out
48V
Mono
Channels
1 - 4 [ProFX16] /
1-10 [ProFX22]
Mic
+
-
Mic: 0 ~ +50dB
Line: -20 ~ +30dB
Stereo
Channels
9/10 & 11/12
[ProFX16] and
15/16 & 17/18
[ProFX22]
Stereo
Channel 15/16
(13/14 identical
except for USB)
[ProFX16] and
21/22
(19/20
identical except
for USB)
[ProFX22]
L
R
3-Band EQ
Level
Pan
Assign
L/R
1/2
3/4
Mute
PFL
Solo
RUDE
SOLO
LED
Meter
Select
To Mon 1
Bypass
switch
PFL
PFL
LO
MID
80
100~8K
12K
HI
Line
Gain
7-band Stereo
Graphic EQ
EQ out
EQ In
EQ assign
switch
Mon 1
Mains
Monitor send 1
(Mon send 2 identical)
Mon 1 Master Level
Preset select
FX
Preset
Display
Footswitch
Sig/OL
Global 48v
Switch/LED
to/from Graphic EQ
(Only on Mon 1)
To Mon 2
FX
Mon 2
Mon 1
FX
Mon 2
Mon 1
HPF In
bypass
Mic
HPF
100Hz
+
-
Mic Gain:
0 ~ +50dB
Solo Logic
PFL Solo
USB Out
FX send
FX 1 Bypass
Logic
In
FX 1
Out L
Out R
Main R
Main L
Mon 1
Main R
Main L
Mon 1
Phantom Power
(To All Mics)
Phantom Power
Phantom
Power
Note: When not assigned to EQ, signal is sent to straight through to destination.
R
L
To USB/Tape Out R
To USB/Tape Out L (Sub 1)
Main L
Sum
Main R Sum
To FX Return R
Int FX Out L
Int FX Out R
L
R
Gain
Line
-20 ~ +20dB
To
Stereo Channel
15/16 EQ In
USB In L
OL /
Mute
OL /
Mute
USB In R
FX Master Level
USB
In
Level
FX Mute
Active
If either the front panel
switch or the footswitch
is engaged, the FX mutes.
L
R
Tape Out
HPF In
bypass
To
Post-Break
Switch
Tape Input
L
R
2-Track Return L
2-Track Return R
Break
switch
Main level
To/From
Graphic EQ
Comp
+
-
+
-
+
-
+
-
+
-
+
-
Insert
EQ in
EQ in
HPF
100Hz
HPF In
bypass
preamp out
LO
80
2.5K
12K
HI
MID
LO
80
2.5K
12K
HI
MID
USB
Line
To Main Mix
To Mon 1
To Mon 2
From Sub1
From Sub2
Sub 1-2
Main
Mono Channels 5-8 [ProFX16] /
11-14 [ProFX22]
identical except compressor
instead of insert jack
2-Track
Return
To USB/Tape Out R (Sub 2)