4
CONNECTING
CONNECTING INPUTS
：
Input connections
are made via either the
3-pin XLR
-type connectors
(Figure 1) or
6.3 mm
sockets on the rear side of
the amplifier.
CONNECTING OUTPUTS
：
Load can be connected using banana plugs or spade lugs. A black
binding post is considered
“COM”
, while the three red binding posts are considered
“hot”
, and the
voltage is about
38V
（
different from the model
）
,
70V
, and
100V
.
Note:
Never connect the
“
hot
”
terminals together.
When connecting load
（
speakers
）
, it is better to use one pair of output terminals only.
If the PROT Led goes on steadily while power has been turned on and signal has been fed, there
must be a trouble of output shorted. Please turn the unit off and correct the trouble then turn it
on again.
ground signal
1
2
3
Figure 1 3-pin XLR-type connectors
Pre-amp.
MP-9911P
Another Amp.
MP-series
or
or
