4.7
Owner's of the Mackie Music Mixer ProFX8 gave it a score of 4.7 out of 5. Here's how the scores stacked up:
20
ProFX8 and ProFX12
ProFX8 and ProFX12
27. AUX FX
These knobs tap a portion of each channel's signal to
set up a nice FX mix feeding the internal FX processor,
and to feed external processors via the FX output [14].
The aux FX feed from hybrid and stereo channels is a
mono sum of the left and right sides of these channels.
The controls are off when turned fully down, deliver
unity gain at the center detent, and can provide up to 15
dB of gain turned fully up.
The channel fader [31], mute [30] and other channel
controls affect the FX output, but pan [28] does not.
The aux FX is post-fader.
The FX signal reaching the internal FX processor
and the FX send output jack, is the sum (mix) of all
the channels whose aux FX control is set to more than
minimum. The overall FX send level can be adjusted
with the FX master knob [52].
The FX signal from the internal FX processor is added
to the main mix using the FX return fader [46], and can
be added to the monitors with the FX to mon knob [54].
28. PAN
These knobs adjust the amount of channel signal sent
to the left versus the right outputs. On mono channels
these controls act as pan pots. On hybrid and stereo
channels, they work like the balance control on a home
stereo. They do not affect the aux mon or FX mixes.
29. OL LED
This LED will light if the channel signal is too high,
and this may cause distortion due to overloading.
The OL LED comes before the channel fader [31] in
the signal path, so the fader has no effect in your efforts
to turn off the OL LED.
Overloading may occur if the gain [20] is set too high,
so check that the level set LED [21] is not turning on
frequently. Turn down the gain if it is.
Overloading can also occur if the channel EQ [23-25]
is set too high. Check that the EQ settings are moderate.
Use the low cut switches [22] if the overloading is due
to lower unwanted bass thumps and bangs.
30. MUTE
Press this switch in to mute the channel in the main
mix. The aux mon output of the channel is not muted,
but the FX output to the internal FX processor and FX
send jack [14] is.
31. CHANNEL FADER
These faders control the channel’s level, from off, to
unity gain, on up to 10 dB of additional gain. The mono
channels have mono faders, and the hybrid and stereo
channels use stereo faders.
With the gain control [20] set correctly, the faders
should be set around unity gain (U).
MID
2.5kHz
MID
2.5kHz
MID
2.5kHz
MID
2.5kHz
MID
2.5kHz
80Hz
LOW
U
+15-15
U
+15-15
U
+15-15
RL
LOW CUT
100 Hz
U
GAIN
M
I
C
G
A
I
N
U
+50
-20dB
+30dB
4
12kHz
HI
MID
2.5kHz
80Hz
LOW
U
+15-15
U
+15-15
U
+15-15
12kHz
HI
MID
2.5kHz
80Hz
LOW
U
+15-15
U
+15-15
U
+15-15
12kHz
HI
MID
2.5kHz
80Hz
LOW
U
+15-15
U
+15-15
U
+15-15
12kHz
HI
PAN
AUX
U
+15
OO
MON
FX
U
+15
OO
RL
PAN
AUX
U
+15
OO
MON
FX
U
+15
OO
RL
PAN
AUX
U
+15
OO
MON
FX
U
+15
OO
RL
PAN
AUX
U
+15
OO
MON
FX
U
+15
OO
80Hz
LOW
U
+15-15
U
+15-15
U
+15-15
RL
LOW CUT
100 Hz
12kHz
HI
PAN
AUX
U
+15
OO
MON
FX
U
+15
OO
80Hz
LOW
U
+15-15
U
+15-15
U
+15-15
RL
LOW CUT
100 Hz
GAIN
7/85/6
12kHz
HI
PAN
AUX
U
+15
OO
MON
FX
U
+15
OO
80Hz
LOW
U
+15-15
U
+15-15
U
+15-15
RL
M
I
C
G
A
I
N
U +50
GAIN
M
I
C
G
A
I
N
U +50
9/10
12kHz
HI
LEVEL
SET
LEVEL
SET
LEVEL
SET
LOW CUT
100 Hz
U
GAIN
M
I
C
G
A
I
N
U
+50
-20dB
+30dB
LEVEL
SET
LEVEL
SET
LEVEL
SET
LOW CUT
100 Hz
U
GAIN
M
I
C
G
A
I
N
U
+50
-20dB
+30dB
LOW CUT
100 Hz
U
GAIN
M
I
C
G
A
I
N
U
+50
-20dB
+30dB
PAN
AUX
U
+15
OO
MON
FX
U
+15
OO
GAIN
80Hz
LOW
U
+15-15
U
+15-15
U
+15-15
U
+20-20
GAIN
U
+20-20
RL
11/12
EQEQEQEQ EQ EQ EQ EQ
12kHz
HI
PAN
AUX
U
+15
OO
MON
FX
U
+15
OO
dB
30
20
10
10
OO
40
50
5
5
U
60
dB
30
20
10
10
OO
40
50
5
5
U
60
dB
30
20
10
10
OO
40
50
5
5
U
60
dB
30
20
10
10
OO
40
50
5
5
U
60
dB
30
20
10
10
OO
40
50
5
5
U
60
dB
30
20
10
10
OO
40
50
5
5
U
60
dB
30
20
10
10
OO
40
50
5
5
U
60
dB
30
20
10
10
OO
40
50
5
5
U
60
321
OL OL OL OL OL OL OL OL
MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE
20
21
22
23
24
25
26
27
28
29
30
31
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