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Installation And Connection - Alto MP2D User Manual

Two channels microphone / instrument preamplifier with stereo bus

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4. INSTALLATION AND CONNECTION

4.1 Mains Connection
Please ensure that the MP2D is set to the correct supply voltage before plugging the power cord into the wall
outlet, use the same fuse as marked on the fuse holder at the AC power connection. The mains connection of
the MP2D is made by using the enclosed mains cord and a standard IEC receptacle. It meets all of the
international safety certification requirements.
4.2
Audio Connection
The MP2D presents with balanced XLR & 1/4" TRS and combo connectors, and it can be interfaced by
several ways to support a variety of applications without any signal loss. The MP2D can be used on a single
instrument by connecting to a mixing console's main inserts, or on an entire mix "in-line" between a mixing
console's outputs and a power amplifier.
- Wiring Configuration
Either the 1/4" TRS phone jack or the XLR connector can be wired in balanced and unbalanced modes, which
will be determined by the actual application status, please wire your system as the following wiring examples:
For 1/4" Phone jack
TS Type Unbalanced
For XLR connector
- XLR Connector Wiring For Phantom Power
PIN1 GND
PIN 2 +48v
PIN 3 +48v
4.3
Rack Mounting
The most secure mounting is on a universal rack shelf available from various rack manufactures or your music dealer.
The MP2D fits into one standard 19" rack unit of space.
Please allow at least an additional 4" depth for the connectors on the rear panel. Be sure that there is enough air
space around the unit for sufficient ventilation and please do not place the MP2D on high temperature devices such as
power amplifiers etc. to avoid overheating.
+
Tip
Sleeve
Pin2 (+)
Pin3 (-)
(Linked to Pin1 manually,
Pin1 ( )
XLR Type Unbalanced
+
-
Tip
Ring
Sleeve
TRS Type Balanced
Pin3 (-)
)
7
+
Tip
Ring
Sleeve
TRS Type Unbalanced
Pin2 (+)
Pin1 ( )
XLR Type Balanced

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