Stereo Input Channels - Yamaha GA24/12 Owner's Manual

4
Front Panel

Stereo input channels

The GA32/12 and GA24/12 provide two stereo input channel modules. Use the paired
GAIN
1
INPUT 13/14 and 15/16 jacks (see page 17, rear panel
+10 –34
connect signals only to the 13L (MONO) jack or 15L (MONO) jack, the same signal will
be sent t the o M1–4 and ST buses.
3
2 PEAK
80
A
HIGH
This control is used to adjust input sensitivity. The adjustable range is +10 dB to –34 dB.
–15 +15
B
HI-MID
This indicator lights up when the level of signals that have been processed by the EQ
–15 +15
4
reaches 3 dB below the clipping level.
LO-MID
C
–15 +15
This high pass filter is used to cut the frequency range below 80 Hz with a slope of 12 dB/
LOW
oct.
–15 +15
5
D
EQ
This 4-band equalizer provides 15 dB of cut and boost over each range, with the center
M1
frequencies and types shown in the following table.
0 10
M2
ON
0 10
6
M3
ON
7
0 10
M4
ON
0 10
M5
ON
E
0 10
This switch is used to turn the equalization on and off.
M6
PRE
F
0 10
M7
These controls are used to route the post fader signals from the stereo input channel to
0 10
8 9
MIX buses 1–4. When stereo signals are input, the L channel signal will be sent to MIX
M8 PRE
buses 1, 3, and the R channel signal will be sent to MIX buses 2 and 4.
0 10
M9
0 10
M10 PRE
0 10
G
BAL
0
These switches are used to turn on and off the signals routed from the stereo input channel
L R
A
B
to MIX buses 1–4.
ST
ON
PFL
C
10
5
H
0
These control knobs route the stereo input channel signals to MIX buses 5–10. Stereo
5
input signals are mixed into a monaural signal and sent to MIX buses 5–10. Use the PRE
D
10
switches
20
30
40
50
60
GA32/12, GA24/12—Owner's Manual
GAIN control
PEAK indicator
High pass filter switch
EQ controls (HIGH/HI-MID/LO-MID/LOW)
Band Center frequencies
HIGH
HI-MID
LO-MID
LOW
EQ switch
M1–M4 mix level controls
Note: When you press down the M1–M4 switches to the FIX position in the Variable/
Fix select section (see page 6), the output level of signals sent to the MIX buses will be
fixed and the corresponding M1–M4 mix level controls will be disabled.
ON switches (M1–M4)
Note: When these switches are set to off, no signals are sent from the stereo input
channel to the corresponding MIX buses regardless of the setting of the switches in the
Variable/Fix select section (see page 6).
M5–M10 mix level controls
9
to select pre- or post-fader.
5
Type
10 kHz shelving
3 kHz peaking
800 Hz peaking
100 Hz shelving
) to input stereo signals. If you