Stereo module
1
1
A
S
B
T
1
2
+4
-10
PEAK
3
2
SIGNAL
–15
+15
4
HIGH
3
–15
+15
LOW
AUX 1
5
AUX 2
1–2
4
6
3–4
ST
7
L
R
ODD
EVEN
BAL/PAN
8
5
0
10
LEVEL
9
ON
0
PFL
+4
2
S
-10
T
6
PEAK
3
3
SIGNAL
AUX 3
5
AUX 4
7
8
A/B switch
This switch selects the signal source for the stereo module.
Select either ST INPUT A (unbalanced 1/4" phone type) or ST INPUT B
(RCA pin) input. This switch is not provided for [ST3] or [ST4].
Sensitivity select (+4/–10) switch
This switch selects the gain appropriate for the input signal level. The sen-
sitivity is –10dB when the switch is pressed in, and +4dB when the switch
is not pressed in.
SIGNAL and PEAK indicators
When the post EQ signal level (nominal level 0dB) reaches –20dB, the SIG-
NAL indicator will light. This indicator indicates that a signal is being input.
When the post EQ signal level reaches 3dB before clipping level, the PEAK
indicator will light. This indicator indicates that the signal has approached
clipping level. Set the signal level based on the status of the PEAK indicator.
EQ controls (HIGH, LOW)
This is a 2-band equalizer with center frequencies, range, and type as shown
below.
HIGH:
12 kHz
LOW:
80 Hz
The frequency response is flat when the knob is in the center position.
AUX 1 / AUX 2 / AUX 3 / AUX 4 switches
These switches send the mono signal to the AUX buses. They are on when
pressed in.
[ST1] and [ST2] select the AUX 1 and AUX 2 buses.
[ST3] and [ST4] select the AUX 3 and AUX 4 buses.
Assign switches (1-2, 3-4, ST)
These switches assign the signal of the stereo module to the group outputs
and the ST output. The PAN control located below adjusts the stereo posi-
tion of the signal between the odd (ODD) group and left (L) outputs and
the even (EVEN) group and right (R) outputs.
BAL/PAN control
The BAL/PAN knob adjusts the balance or the L/R position of the stereo
module signal. For example if this knob is turned all the way to the left, the
signal will be sent only to the L and odd (ODD) groups whose assign
switches are pressed. If it is turned all the way to the right, the signal will be
sent only to the R and even (EVEN) groups. If the knob is set to the center
position, the same amount of signal will be sent to the stereo L and R, and
the odd/even groups.
LEVEL control
This adjusts the output level of the stereo module.
+/–15dB shelving type
+/–15dB shelving type
5
Stereo module
MX400 User's Guide