Control panel
10
Stereo input channels
The M3000A provides four stereo input channels. Ste-
reo sound sources such as sub-mixers, effect proces-
sor, or CD players can be input to the INPUT A jacks
(XLR connectors) or INPUT B jacks (RCA phono
connectors) located on the rear panel.
A
GAIN A control
This control adjusts the input sensitivity of the signal
that is input from the XLR connector INPUT A jack
(rear panel
4
). The level range is +10~ –30 dB. When
the A/B select switch (
3
) is in the B position (
),
this control will have no effect.
B
GAIN B control
This control adjusts the input sensitivity of the signal
that is input from the RCA phono connector INPUT
B jack (rear panel
5
). The level range is +10~ –20 dB.
When the A/B select switch (
3
) is in the A position
(
), this control will have no effect.
C
A/B select switch
This switch selects the input jacks that the stereo input
channel will use. When the switch is in the upward
position (
) the INPUT A jack can be used. When
the switch is in the downward position (
) the
INPUT B jacks can be used.
D
EQ controls
This is a four-band equalizer which allows
±
15 dB of
boost/cut for each band. The HI-MID and LOW-MID
bands allow you to switch between two settings of Q
(steepness). The center frequency, Q values, and gain
range for each band is as follows.
E
EQ switch
This switches the equalizer on/off. The equalizer is on
when the switch is pressed down (
).
F
M1–M8 switches
These switch on/off the signal which is sent from the
stereo input channel to MIX buses 1–8.
–30
+10
+15
–15
A
–20
+10
B
GAIN
HI
A
B
+15
–15
HI-
MID
+15
–15
LO-
MID
+15
–15
10
0
10
0
10
0
10
0
10
0
LO
EQ
PRE
PRE
M1
M2
M3
M4
M5
10
0
M6
10
0
M7
10
0
M8
10
0
PRE
PRE
M9
10
0
M10
10
0
M11
10
0
M14
BAL
M13
M12
M13/
M14
10
0
M16
BAL
M15
M15/
M16
10
0
A
B
C
E
M
M
M
I
L
M
G
F
D
G
H
J
K
Band
Center
frequency
Q
Gain
HI
20 kHz
0.667
±
15 dB
HI-MID
3 kHz
1.41/2.88
LO-MID
800 Hz
1.41/2.88
LO
50 Hz
0.667
Note:
If these switches are off, no signal will be sent
to the corresponding MIX bus from this input
channel, regardless of the switch setting of the vari-
able/fixed select section (page 13).