Channel Controls - Mackie ProFX12 Owner's Manual

ProFX12
MIC MIC MIC MIC
1 2 3
LINE
HI-Z
BAL / BAL /
BAL /
UNBAL UNBAL
UNBAL
LINE/HI-Z IN 1 LINE IN 2 LINE IN 3 LINE IN 4
INSERT INSERT INSERT INSERT
U U U U
LEVEL LEVEL LEVEL
SET SET SET
U +50 U +50 U +50 U +50
-20dB +30dB -20dB +30dB -20dB +30dB -20dB
GAIN GAIN GAIN GAIN
LOW CUT LOW CUT LOW CUT LOW CUT
100 Hz 100 Hz 100 Hz 100 Hz
EQ EQ EQ
U U U U
HI HI HI
12kHz 12kHz 12kHz
-15 +15 -15 +15 -15 +15 -15 +15
U U U U
MID MID MID
2.5kHz 2.5kHz 2.5kHz
-15 +15 -15 +15 -15 +15 -15 +15
U U U U
LOW LOW LOW
80Hz 80Hz 80Hz
-15 +15 -15 +15 -15 +15 -15 +15
AUX AUX AUX
U U U U
MON MON MON
+15 +15 +15 +15
O O O O O O O O
U U U U
FX FX FX
+15 +15 +15 +15
O O O O O O O O
PAN PAN PAN
L R L R L R L R
MUTE MUTE MUTE
OL OL OL OL
1 2 3
dB dB dB dB
10 10 10 10
5 5 5 5
U U U U
5 5 5 5
POWER MAIN
RIGHT
10 10 10 10
ON (BALANCED)
20 20 20 20
30 30 30 30
40 40 40 40
50 50 50 50
60 60 60 60
O O O O O O O O
MONO
ProFX8
MIC MIC MIC MIC
1 2 3/4
LINE LINE
HI-Z HI-Z
(MONO)
BAL /
L
UNBAL
BAL /
LINE/HI-Z IN 1 LINE IN 2 LINE IN 3 LINE IN 5
UNBAL
R
INSERT INSERT LINE IN 4 LINE IN 6
U U
LEVEL LEVEL LEVEL
SET SET SET
U +50 U +50
U +50 U
-20dB +30dB -20dB +30dB
GAIN GAIN GAIN GAIN
LOW CUT LOW CUT LOW CUT LOW CUT
100 Hz 100 Hz 100 Hz 100Hz
EQ EQ EQ
U U U U
HI HI HI
12kHz 12kHz 12kHz
-15 +15 -15 +15 -15 +15 -15 +15
U U U U
MID MID MID
2.5kHz 2.5kHz 2.5kHz
-15 +15 -15 +15 -15 +15 -15 +15
U U U U
LOW LOW LOW
80Hz 80Hz 80Hz
-15 +15 -15 +15 -15 +15 -15 +15
AUX AUX AUX
U U U U
MON MON MON
+15 +15 +15 +15
O O O O O O O O
U U U U
FX FX FX
+15 +15 +15 +15
O O O O O O O O
PAN PAN PAN
L R L R L R L
MUTE MUTE MUTE
OL OL OL OL
1 2 3/4
dB dB dB dB
10 10 10 10
5 5 5 5
U U U U
5 5 5 5
10 10 10 10
20 20 20 20
30 30 30 30
40 40 40 40
50 50 50 50
60 60 60 60
O O O O O O O O
MONO HYBRID
MIC MIC
(UNBALANCED)
L
TAPE
IN
R
4 5/6 7/8 9/10
(MONO) (MONO) (MONO)
BAL /
L L L
UNBAL
BAL / BAL / BAL /
LINE IN 5 LINE IN 7 LINE IN 9
UNBAL UNBAL UNBAL
R R R
LINE IN 6 LINE IN 8 LINE IN 10
U
LEVEL LEVEL LEVEL
SET SET SET
U +50 U +50 -20 +20
+30dB
GAIN GAIN GAIN
LOW CUT LOW CUT
100 Hz 100 Hz
EQ EQ EQ EQ
U U U
HI HI HI HI
12kHz 12kHz 12kHz 12kHz
-15 +15 -15 +15 -15 +15
U U U
MID MID MID MID
2.5kHz 2.5kHz 2.5kHz 2.5kHz
-15 +15 -15 +15 -15 +15
U U U
LOW LOW LOW LOW
80Hz 80Hz 80Hz 80Hz
-15 +15 -15 +15 -15 +15
AUX AUX AUX AUX
U U U
MON MON MON MON
+15 +15 +15
O O O O O O
U U U
FX FX FX FX
+15 +15 +15
O O O O O O
PAN PAN PAN PAN
L R L R L R
MUTE MUTE MUTE MUTE
OL OL OL
4 5/6 7/8 9/10
dB dB dB dB
10 10 10 10
5 5 5 5
U U U U
5 5 5 5
MAIN
LEFT
10 10 10 10
(BALANCED)
20 20 20 20
USB
30 30 30 30
40 40 40 40
50 50 50 50
60 60 60 60
O O O O O O O O
HYBRID STEREO
(UNBALANCED)
L
L
TAPE TAPE
IN
OUT
R R
5/6 7/8
(MONO) (MONO) (MONO)
BAL /
L L L
UNBAL
BAL / BAL / BAL /
LINE IN 7
MON SEND
UNBAL UNBAL UNBAL
BAL /
R R R
UNBAL
LINE IN 8 ST RETURN FX SEND
STEREO GRAPHIC EQ
U
LEVEL
SET
15
10
-20 +20
+50
5
GAIN
0
5
EQ EQ
U 10
15
HI HI
12kHz 12kHz
125 250 500 1K 2K
-15 +15
U
MAIN MIX
MON BYPASS
MID MID
2.5kHz 2.5kHz
-15 +15
U
LOW LOW FX PRESETS
80Hz 80Hz
01 BRIGHT ROOM
02 WARM LOUNGE
-15 +15
03 SMALL STAGE
04 WARM THEATER
AUX AUX
U
05 WARM HALL
06 CONCERT HALL
07 PLATE REVERB
MON MON
08 CATHEDRAL
09 CHORUS
+15
O O 10 CHORUS + REV
PRESETS
U
11 DOUBLER
12 TAPE SLAP
13 DELAY 1 (300ms) MUTE
FX FX
14 DELAY 2 (380ms)
15 DELAY 3 (480ms)
+15 16 REVERB + DLY (250ms)
O O
PAN PAN
U U
OL
+15 +15
R L R O O
O O
FX MASTER
FX TO MON
MUTE MUTE MUTE
OL OL
5/6 7/8 ST RTN FX RTN
dB dB dB
10 10 10
5 5 5
U U U
5 5 5
10 10 10
20 20 20
30 30 30
40 40 40
50 50 50
60 60 60
O O O O O O
STEREO

Channel Controls

L
The vertical channel strips look very similar, with only
TAPE
OUT
R
a few differences between them. Each channel works
11/12
independently, and just controls the signals plugged into
(MONO) (MONO)
BAL /
L the inputs directly above it. There are three different L L
UNBAL
BAL / BAL / BAL /
LINE IN 11
MON SEND
UNBAL UNBAL UNBAL
flavors of channel strip: Mono, Hybrid and Stereo.
BAL /
R R R
UNBAL
LINE IN 12 ST RETURN FX SEND MAIN OUT
Mono Channels (1–4 on ProFX12)
STEREO GRAPHIC EQ
U
15
10
-20 +20
5
GAIN
0
• The mono channel controls affect both the
5
EQ
U 10
mono mic input and the mono line-level input.
15
HI
12kHz
125 250 500 1K 2K 4K 8K
-15 +15
U
MAIN MIX • The gain knob adjusts both mic and line inputs. EQ IN
MON BYPASS
MID
2.5kHz
-15 +15
U
USB
• Each mono channel has an insert jack and low
LOW FX PRESETS
80Hz
01 BRIGHT ROOM
02 WARM LOUNGE
-15 +15 U
cut switch.
03 SMALL STAGE
04 WARM THEATER
AUX
U
05 WARM HALL
06 CONCERT HALL
07 PLATE REVERB
MON
+10
08 CATHEDRAL O O
09 CHORUS • Channel 1 has a hi-z switch to connect a guitar INPUT LEVEL
+15
O O 10 CHORUS + REV
PRESETS
U 11 DOUBLER
12 TAPE SLAP
13 DELAY 1 (300ms) MUTE
FX directly.
14 DELAY 2 (380ms)
15 DELAY 3 (480ms)
USB THRU
+15 16 REVERB + DLY (250ms)
O O
PAN
U U
• The 3-band EQ has shelving high, shelving low,
OL
+15 +15
L R O O MAX
O O O O
FX MASTER and peaking mid EQ. PHONES
FX TO MON
MON
MUTE MUTE
OL OL
11/12 ST RTN FX RTN
Hybrid Channels (5/6, 7/8 on ProFX12)
dB dB dB
10 10 10
5 5 5
U U U
5 5 5
• Except for gain and low cut, these controls
10 10 10
affect the mono mic input and the stereo
20 20 20
30 30 30
line-level input.
40 40 40
50 50 50
60 60 60
O O O O O O
• The gain knob adjusts the mic input only. (The
stereo line inputs are fixed at unity gain.)
• The low cut switch only affects the mic input.
• The mono mic input is split equally to the left
and right.
• The hybrid channel EQ is a 3-band design just
like the mono channel EQ.
L
BAL /
FOOTSWITCH
UNBAL
Stereo Channels (9/10, 11/12 on ProFX12)
R
MAIN OUT PHONES
• These controls affect the stereo line-level
15
48V
inputs.
10
PHANTOM
5
POWER
0
• The gain knob adjusts the left and right line
5
POWER
10
inputs equally. There is no level set LED or low
MAIN
15
METERS
4K 8K
0dB=0dBu
cut switch.
OL
EQ IN
15
10
6
• The stereo channel EQ is a 3-band design just
3
USB
0
2
like the mono channel EQ.
4
U
7
10
20
30
+20
O O
"U" LIKE UNITY GAIN L R
INPUT LEVEL
USB THRU BREAK
Mackie mixers have a "U" symbol on almost every level
(MUTES ALL CHANNELS)
U
control. This "U" stands for "unity gain," meaning no
MAX +20
O O O O
PHONES TAPE LEVEL
change in signal level (0 dB gain). Once you have
MAIN
MON
adjusted the input signal with the gain control, set
dB dB
every control at "U" and the signals will travel through
10 10
5 5
the mixer at optimal levels. What's more, all the labels
U U
on our level controls are measured in decibels (dB), so
5 5
10 10
you'll know what you're doing level-wise if you choose to
20 20
change a control's settings.
30 30
40 40
50 50
60 60
O O O O
FOOTSWITCH
PHONES
15 (1–2 on ProFX8)
48V
10
PHANTOM
5
POWER
0
5
POWER
10
MAIN
15
METERS
0dB=0dBu
OL
15
10
6
3
0
2
4
7
10
20
30
L R
BREAK
(MUTES ALL CHANNELS)
U
+20
O O
TAPE LEVEL
MAIN
dB
10
(3/4, 5/6 on ProFX8)
5
U
5
10
20
30
40
50
60
O O
(7/8 on ProFX8)
Owner's Manual
17