Mon 1 Equalizer; Main Eq Assign; Power Amp Limiter Leds - Mackie PPM1012 Owner's Manual

MAIN EQUALIZER
15
10
44
5
0
5
10
15
63 125 250 500

MON 1 EQUALIZER

z
15
10
45
5
0
5
10
15
63 125 250 500
61
1 2
FX FX
SIG/OL
U U
60
+15 +15
O O O O
SEND MASTER SEND MASTER
62
TAP TAP
63
DELAY DELAY
64 INT FX INT FX
MUTE MUTE
38
1
FX RTN FX RTN
dB dB
10 10
5 5
U U
5 5
10 10
41
20 20
30 30
SOLO
40 40
50 50
60 60
O O O O
57 57
With this constant-Q graphic EQ, the band-
width (and Q) of a frequency band doesn't
vary with the amount of boost or cut, and the
adjustment of one slider has minimal effect
on adjacent bands for all settings of the slider levels.
(There's always some effect on adjacent bands to avoid
too much variation or ripple between bands, but the
constant-Q design keeps this fairly constant for all set-
tings.) The position of the sliders gives a good indica-
tion of the frequency response across the audio band.
With non-constant types of EQ (on other mixers), for
example, if you're boosting 500 Hz and 2 kHz slightly,
the 1 kHz band will also be boosted, even though the
1 kHz slider is in the fl at position.
22
PPM1012
42 43
POWER
2 X 800W PROFESSIONAL POWERED MIXER
EQ ASSIGN
MAIN
MON 2
46
15
10
5
0
5
10
15
1K 2K 4K 8K 16K
15
10
5
0
5
10
15
1K 2K 4K 8K 16K
01 PLATE REVERB 13 CHORUS
02 VOCAL PLATE 14 CHORUS + REVERB
03 WARM ROOM 15 DOUBLER
04 BRIGHT ROOM 16 TAPE SLAP
SIG/OL
05 WARM LOUNGE 17 DLY 1 BRIGHT (350ms)
06 SMALL STAGE 18 DLY 1 WARM (300ms)
07 WARM THEATER 19 DLY 2 BRIGHT (250ms)
08 BRIGHT STAGE 20 DLY 2 WARM (200ms)
09 WARM HALL 21 DLY 3 BRIGHT (175ms)
10 CONCERT HALL 22 DLY 3 WARM (150ms)
11 CATHEDRAL 23 CHORUS + DLY (300ms)
12 GATED REVERB 51 24 REVERB + DLY (200ms) 52
TAP TO EDIT
U
BREAK
MUTES
+20
O O
CH 1-12
TAPE IN
56 56
2 1 2
MON MON
dB dB
10 10
5 5
U U
5 5
10 10
20 20
30 30
SOLO SOLO SOLO
40 40
50 50
60 60
O O O O
58 58
45. MON 1 EQUALIZER
PHANTOM
This 9-band, constant-Q, mono graphic equalizer
POWER AMP
allows you to adjust the monitor 1 mix line-level
47
LIMITER
A B
outputs [10] and the speaker-level output [3] if the
MAIN
internal amplifi er is playing the monitor 1 mix.
METERS
0dB = 0dBu
OL
Each control allows up to 15 dB of boost and cut,
15
10
6
with 0 dB (no change in level) at the center. The
3
48
0
frequency bands are: 63, 125, 250, 500, 1 k, 2 k, 4 k,
2
4
8 k, and 16 kHz
7
10
20
30
The EQ comes before the monitor 1 fader [58].
L R
LEVEL
Adjust the EQ carefully, in case you over-do it and
49
SET
RUDE
SOLO
take the stage monitor 1 levels into overload. As with
the channel EQ, just take it easy. There are no prizes
50
for who can EQ the most (or is there?). If lots of EQ
seems to be needed, then chances are your system
POWER AMP
MODE
can be improved by careful re-positioning of the mi-
MON 1 MON 2
MAINS MON 1
crophones and other equipment.
53
A B
(L) (R)
STEREO
MAIN
You will fi nd this EQ useful for reducing feedback in
LPF
the stage monitors. Stage monitors point towards the
54
120
performers and their microphones, so feedback can
100 180
often occur. You can reduce the level of the problem
75Hz 200Hz
frequency band, by adjusting the graphic EQ sliders.
MONO OUT
55

46. MAIN EQ ASSIGN

MAX
O O
This delightful little switch allows you to assign
the main equalizer [44] to either the main mix when
pressed out, or to monitor 2 when pressed in.
MAIN
This is useful in cases where your monitor 2 mix is
dB
10
having feedback troubles or needs your special touch.
5
If you are not using the monitor 2 system, keep this
U
switch out. The EQ will then operate on your main
5
10
left and right mix.
20
30

47. POWER AMP LIMITER LEDs

40
50
60
These independent LEDs turn on when power am-
O O
59
plifi er channel A or B is being overloaded internally
and its internal automatic limiter is actively working.
The LED will pulse in time with how much the limiter
is being used.
If the limiter LEDs come on and stay on for more
than a second or two, it means the power supply has
overheated and the limiter is holding the amp signal
down to 1/4 power until the power supply cools down
enough to release the limiter. If this happens, check
there is good ventilation around the mixer, and that
you are not cranking it too much. Also make sure that
your speakers are OK, and are not less than 4 ohms
impedance.