Extron electronics MPA 401-70V Setup Manual

MPA 401-70V and MPA 401-100V • Setup Guide
This guide provides basic instructions for an experienced installer to install and configure the
Extron MPA 401-70V and MPA 401-100V mini power amplifiers.
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MPA 401
Mini Power
Ampli er
Extron
DVS 304 DVI AD
Digital Video
Scaler
with Audio
Step 1 — Turn all of the equipment off and disconnect all power sources.
Step 2 — Mount the amplifier in either a plenum space, on a rack, under a desk, or on a projector.
ATTENTION: Although the amplifier is plenum rated, the power supply provided with it is not. The power supply must not be
placed in the plenum space. Cables to and from the amplifier must be plenum rated.
NOTE: Use only the two round mounting holes for mounting the MPA 401. The other four (hexagonal) holes anchor stand-offs
for the internal circuit boards. Using them may damage the amplifier and does not provide secure mounting for the unit.
Step 3 — Attach the speakers to the MPA 401 using the 2-pole, 5 mm screw-lock
captive screw speaker receptacle on the rear panel. (The old and new silk screens for the
MPA 401-100V are shown to the right).
ATTENTION: Do not ground or short the speaker outputs as this will damage the
amplifier.
NOTE: The mono audio speaker receptacle may be labeled in one of two ways (see
the images to the right). The wiring and function are the same whichever way the
product is labeled.
Step 4 — Attach sources to the MPA 401 unit from the audio source or projector.
The three rear panel audio inputs can be used individually or together:
One pair of RCA receptacles (unbalanced)
z
One 3.5 mm stereo tip-ring-sleeve receptacle (unbalanced)
z
One 3.5 mm, 5-pole captive screw receptacle (balanced or unbalanced)
z
Tip
Sleeve
Tip
Sleeve
Unbalanced Stereo Input
Extron
SI 3CT LP
Full-Range
Ceiling Speakers
Extron VC 50
Volume Controller
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VCR DVD
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Tip
Ring
Sleeves
Tip
Ring
Balanced Stereo Input
Extron
MLC 104 IP Plus
1
PL AY 2
D IS
Controller
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3
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4
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Flat Panel
Display
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Laptop
DSS Receiver
(RGB)
(S-video)
Tip (+)
Sleeve ( )
RCA Connector
Tip
Sleeve
Unbalanced Mono Input
OUTPUT
100V OUTPUT
100V
CLASS 2 WIRING
Tip (L)
Ring (R)
Sleeve ( )
3.5 mm TRS Connector
Tip
Ring
Sleeve
Balanced Mono Input
1