MACKIE ProFX12 - Manual (Page 12)

12
ProFX8 and ProFX12
Pr
oFX8 and Pr
oFX12
Rear Panel Features
1. POWER CONNECTION
This is a standard 3-prong IEC AC power connector.
Securely connect the supplied detachable linecord here
and plug the other end into an AC outlet. The mixer has
a universal power supply that may accept any AC voltage
ranging from 100 VAC to 240 VAC. No need for voltage
select switches or step-up or step-down transformers;
it will work virtually anywhere in the world. It is less
susceptible to voltage sags or spikes than conventional
power supplies and provides greater electromagnetic
isolation and better protection against AC line noise.
2. POWER SWITCH
Press the top of this rocker switch to turn on the
mixer. The front panel power LED [32] will glow with
happiness...or at least it will if the mixer is plugged into
a suitable live AC mains supply.
Press the bottom of this switch to put the mixer into
standby mode. It will not function, but the circuits are
still live. To remove AC power, either turn off the AC
mains supply, or unplug the power cord from the mixer
and the AC mains supply.
As a general guide, turn on the mixer first,
before any external power amplifiers or
powered speakers, and turn it off last. This
will reduce the possibility of any turn-on or turn-off
thumps in the speakers.
3. XLR MAIN OUTS
These XLR connectors provide stereo line-level
signals from the main mix. Connect these to the
balanced inputs of the powered speakers, or to the
power amplifier powering the main speakers.
The main mix is the sum of all active channels
currently playing, including any 2-channel USB input
from the computer. How much of a channel that is
heard in the main mix is determined by that channel’s
fader [30].
MAIN
RIGHT
(BALANCED)
MAIN
LEFT
USB
(BALANCED)
8K 4K 2K 1K 500 250 125
15
15
10
10
5
5
0
15
15
10
10
5
5
0
TAPE
IN
ST RETURN MAIN OUT PHONES
FOOTSWITCH
PHONES
TAPE
OUT
L
R
L
(UNBALANCED)
R
STEREO GRAPHIC EQ
FX SEND
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
LINE IN 4
INSERT
R L
LOW CUT
100 Hz
U
GAIN
MI C GAIN
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 O O
MON
FX
U
+15 O O
R L
PAN
AUX U
+15 O O
MON
FX
U
+15 O O
R L
PAN
AUX U
+15 O O
MON
FX
U
+15 O O
R L
PAN
AUX U
+15 O O
MON
FX
U
+15 O O
80Hz
LOW
U
+15 -15
U
+15 -15
U
+15 -15
R L
LOW CUT
100 Hz
12kHz
HI
PAN
AUX U
+15 O O
MON
FX
U
+15 O O
80Hz
LOW
U
+15 -15
U
+15 -15
U
+15 -15
BAL /
UNBAL
(MONO) (MONO) (MONO) (MONO)
LINE IN 7
LINE IN 8
BAL /
UNBAL LINE IN 9
R L
LOW CUT
100 Hz
GAIN
7/8 5/6
12kHz
HI
PAN
AUX U
+15 O O
MON
FX
U
+15 O O
80Hz
LOW
U
+15 -15
U
+15 -15
U
+15 -15
R L
MIC GAIN
U +50
GAIN
MIC GAIN
U +50
9/10
12kHz
HI
LEVEL
SET
LEVEL
SET
LEVEL
SET
LOW CUT
100 Hz
U
GAIN
MI C GAIN
U +50
-20dB +30dB
LEVEL
SET
LEVEL
SET
LEVEL
SET
LOW CUT
100 Hz
U
GAIN
MI C GAIN
U +50
-20dB +30dB
LOW CUT
100 Hz
U
GAIN
MI C GAIN
U +50
-20dB +30dB
PAN
AUX U
+15 O O
MON
FX
U
+15 O O
GAIN
MIC MIC MIC MIC MIC MIC
80Hz
LOW
U
+15 -15
U
+15 -15
U
+15 -15
U
+20 -20
GAIN
U
+20 -20
R L
11/12 ST RTN FX RTN
EQ EQ EQ EQ EQ EQ EQ EQ
12kHz
HI
PAN
AUX U
+15 O O
MON
FX
U
+15 O O
U
+15
FX TO MON FX MASTER
U
+15 O O O O
dB
30
20
10
10
O O
40
50
5
5
U
60
dB
30
20
10
10
O O
40
50
5
5
U
60
dB
30
20
10
10
O O
40
50
5
5
U
60
dB
30
20
10
10
O O
40
50
5
5
U
60
dB
30
20
10
10
O O
40
50
5
5
U
60
dB
30
20
10
10
O O
40
50
5
5
U
60
dB
30
20
10
10
O O
40
50
5
5
U
60
dB
30
20
10
10
O O
40
50
5
5
U
60
dB
30
20
10
10
O O
40
50
5
5
U
60
dB
30
20
10
10
O O
40
50
5
5
U
60
dB
30
20
10
10
O O
40
50
5
5
U
60
dB
30
20
10
10
O O
40
50
5
5
U
60
L
R
(MONO)
LINE IN 5
LINE IN 6
BAL /
UNBAL
L
R
LINE IN 10
BAL /
UNBAL
L
R
LINE IN 11
LINE IN 12
BAL /
UNBAL
L
R
BAL /
UNBAL
L
R
BAL /
UNBAL
L
R
MON SEND
BAL /
UNBAL
BAL /
UNBAL
PRESETS
FX PRESETS
01 BRIGHT ROOM
02 WARM LOUNGE
03 SMALL STAGE
04 WARM THEATER
05 WARM HALL
06 CONCERT HALL
13 DELAY 1 (300ms)
14 DELAY 2 (380ms)
15 DELAY 3 (480ms)
16 REVERB + DLY (250ms)
07 PLATE REVERB
08 CATHEDRAL
09 CHORUS
10 CHORUS + REV
11 DOUBLER
12 TAPE SLAP
MON MAIN
4
LINE IN 3
INSERT
3
BAL /
UNBAL
3
LINE IN 2
INSERT
2
BAL /
UNBAL
BAL /
UNBAL
2
LINE/HI-Z IN 1
INSERT
1 5/6 7/8 9/10 11/12
POWER
ON
0dB=0dBu
MAIN
METERS
OL
4
6
3
10
15
7
10
20
30
0
2
BREAK
(MUTES ALL CHANNELS)
PHANTOM
POWER
POWER
O O +10
U
TAPE LEVEL O O +20
U
USB THRU
LINE
HI-Z
O O MAX
1
OL OL OL OL OL OL OL OL OL
OL
MAIN MIX
MON
EQ IN
BYPASS
R L INPUT LEVEL
USB
MUTE
MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE
48V
The XLR outputs are 6 dB higher output than
the 1/4" TRS main outputs [14]. Balanced
connections offer better immunity to external
noise (specifically, hum and buzz) than unbalanced
connections. Because of this, it is the preferred
interconnect method, especially where very long
lengths of cable are being used.
4. USB PORT
The USB serial I/O interface allows digital audio to
transfer to and from a computer.
The interface provides two audio outputs to the
computer:
• Main mix output, left and right. These output
signals are independent of any adjustments
made to the main fader [47] and graphic EQ
[36]. This allows you to easily record live
performance directly to a laptop.
• The USB thru switch [40] allows you to also
include the output from your computer in your
recording. See page 23 for more details of this
switch.
The computer may also playback two channels into
the mixer via the USB interface:
• Left and right signals from the computer are
added to the main mix. The USB input level
control [39] allows you to adjust the level of
the incoming audio from the computer being
added to the main mix.
1 2
3 4