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26
M2500—Owner’s Manual
Stereo input channel input/
output jacks
C
INPUT A
jacks
These are XLR-3-31 type input jacks (balanced) for
stereo input channel 1. Nominal input level is +10 dB
to –30 dB. In order to use these jacks, you must set
the A/B select switch of stereo input channel 1 to the
A position. The pin wiring is as follows.
D
INPUT B
jacks
These are RCA phono input jacks (unbalanced) for
stereo input channel 1. Nominal input level is +10 dB
to –20 dB. In order to use these jacks, you must set
the A/B select switch of stereo input channel 1 to the
B position. The pin wiring is as follows.
E
INPUT
jacks
These are TRS phone input jacks (balanced) for ste-
reo input channels 2–4. Nominal input level is
+10 dB to –30 dB. The pin wiring is as follows.
If you wish to input a monaural signal to stereo input
channels 2–4, insert a plug only into the L/MONO
jack. In this case, the signal that is input to the L/
MONO jack will be sent to both L and R of the stereo
input channel.
ST CH 1
INPUT A
ST CH 2
INPUT
L/MONO
INPUT B
PHANTOM
MASTER
DC POWER INPUT
READ OWNER’S MANUAL
L
L
OFF ON
R
R
R
ST CH 3
INPUT
L/MONO
R
ST CH 4
INPUT
L/MONO
R
5
3
4
Male XLR plug
1 (ground)
3 (cold)
2 (hot)
RCA phono plug
Tip (send)
Sleeve (ground)
Hot
Cold
Ground