Alto PM-12 DRAGONFLY User Manual

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4.5 STEREO INPUTS
4.7 EQUALISER
The mono input channels (channel 1- channel 8) are equipped
with 3 band MID sweep EQ: HI band, MID band and LOW band;
And the stereo channels (channel 9-channel 12) are equipped
with 4 band fixed frequency equalization: HI band, HI-MID band,
MID-LOW band and LOW band. All bands provide up to 15dB
of boost or cut.
4.7.1 HI
4.7.2 MID
8
9
4.7.3 HI-MID
10
This is the Treble control. You can use it to get rid of high
frequency noises or to boost the sound of cymbals or the
high harmonics of the human voice. The gain range goes
from -15dB to +15dB with a center frequency of 12 kHz.
This is the Midrange control. It provides 15dB of boost or
cut, flat at the center detent and the FREQ knob sets the
center frequency, the adjustable range is from 100Hz to
8kHz. It can affect most fundamental frequencies of all
musical instruments and human voice. An attentive use of
this control will give you a very wide panorama of sound
effects.
This control gives you up to 15dB boost or cut at 3kHz.
It is useful for controlling voice. It can accurately polish
your performance via adjusting this knob.
LINE IN 9/10 LINE IN 11/12
LEFT
(MONO)
LEFT
(MONO)
RIGHT RIGHT
LEVEL LEVEL
LEVEL
+4dBu
-10dBV
+4dBu
-10dBV
These are Channel 9 through 12. They are organised in
stereo pair and provided with 1/4" TRS phone sockets.
If you connect only the left jack, the input will operate in
mono mode.
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7
4.6 +4dBu/-10dBV Switch
7
EQ
HI
12kHz
0
+15+15-15
FREQ
MID
(INT)
DFX2
DFX1
(EXT)
PRE
POST
0
+15-15
800
100Hz100Hz 8kHz
0
+15-15
80Hz
LOW
AUX
0
1
+15-
8
--
+15-
8
--
0
0
+15-
8
--
+15-
8
--
2
3
4
PAN
RIGHTLEFT
EQ
HI
12kHz
0
+15+15-15
(INT)
DFX2
DFX1
(EXT)
PRE
POST
0
+15-15
0
+15-15
80Hz
LOW
AUX
0
1
+15-
8
--
+15-
8
--
0
0
+15-
8
--
+15-
8
--
2
3
4
BAL
RIGHTLEFT
3kHz
HI-MID
MID-LOW
500Hz
00
0
+15-15
Your PM-12 provides the gain select switch, which is used
to adjust the sensitivity of line input on stereo channels.
Line level are considered to be between 1V and 2V RMS
(+2dBu ~ +8dBu) in professional equipment, peak levels
may extend to over 10V RMS (+22dBu). The accepted
standard for sound reinforcement equipment is +4dBu.
Unfortunately, many low budget components fall short
of these levels, so we need to "baby" their level, and find
another source for the signal strength necessary to drive
the power amplifiers, in such situations, the -10dBV ope-
rating level is compromised.
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Alto PM-12 DRAGONFLY Specifications

General

Brand	Alto
Model	PM-12 DRAGONFLY
Category	Music Mixer
Language	English