Extron electronics MPA 152 Plus Setup Manual

MPA 152 Plus • Setup Guide
The Extron MPA 152 Plus is an ENERGY STAR
mini power amplifier. It delivers up to 15 watts (rms) per
channel stereo or dual mono into a 4 ohm sound system,
or 8 watts (rms) per channel into an 8 ohm system.
For complete instructions, see the MPA 152 Plus User
Guide, which is available at www.extron.com.

Installation

To install and set up an MPA 152 Plus, follow these steps:
Turn off all equipment and disconnect from power
1.
sources.
Mount the Extron MPA 152 Plus on a rack, under a
2.
desk, or on a projector pole.
NOTE: Use only the two round mounting holes
for mounting the MPA 152 Plus. 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.

ATTENTION:

Although the amplifier is plenum rated, the power supply provided with it is not. The power supply must not be
z
placed in the plenum space. Cables to and from the amplifier must be plenum rated.
Bien que l'amplificateur soit conforme à la norme relative aux faux plafonds, la source d'alimentation fournie avec ne
z
l'est pas. Les câbles depuis et vers l'amplificateur doivent aussi être classés plenum. La source d'alimentation ne doit
pas être placée dans l'espace plenum.
Attach the speakers to the MPA 152 Plus output, using the 4‑pole, 5 mm captive screw receptacle
3.
(see the figure at right).
ATTENTION:
Do not ground or short the speaker outputs as this will damage the amplifier.
z
Ne pas mettre à la terre ni créer de court‑circuit dans les sorties de
z
l'enceinte, afin d'éviter tout risque de détérioration de l'amplificateur.
Attach inputs to the MPA 152 Plus unit from the audio source, the projector, or
4.
both. There are three audio inputs (shown in the figure at right), which can be used
individually or together.
1 One pair of RCA receptacles — these receptacles accept unbalanced, line
level audio signals. The input can be stereo, using two RCA connectors, or
mono, using a single RCA connector plugged into the left receptacle. If unused,
the receptacles automatically terminate to lower the noise floor.
2
One 3.5 mm stereo tip-ring-sleeve receptacle — this input also accepts
unbalanced, line level audio signals through a 3.5 mm tip ring sleeve (TRS)
stereo connector. If unused, the receptacle automatically terminates to lower the
noise floor.
3 One 3.5 mm, 5-pole captive screw receptacle — this 5‑pole 3.5 mm captive
screw receptacle accepts line level, balanced or unbalanced, mono or stereo
audio signals.
Tip
Sleeve
Tip
Sleeve
Unbalanced Stereo Input
® qualified
Tip
Ring
Sleeves
Sleeve
Tip
Ring
Balanced Stereo Input
Audio
4 R
/
8 S 2 L
AS IN G
W IR CL
G
lu s C 50 mA
10 V V
2 P IN PU TS
A 15 R
M P L
W ER
R
PO V AX
12 A M Audio
0.7
L
Extron
MPA 152 Plus
Mini Power
Ampli er
Extron
SM 3
Full-range
Speakers
Tip
Tip
Ring
Sleeve
Unbalanced Mono Input
Projector
RS-232 or
IR Projector
control
Audio
Video
Audio
S-Video
RGBHV
DVD/VCR
Combo
8 / 4
CLASS 2
WIRING

INPUTS

L
R
1 1 1 2 2 2
Tip (+)
Tip
Sleeve
Tip
Sleeve
Sleeve ( )
Unbalanced Stereo Input
Tip (L)
Ring (R)
Sleeve ( )
3.5 mm TRS Connector
Balanced Mono Input
1
Y
P LA 2
D IS
O N 3
M E
LU 4
VO
NF IG
CO
n
t r o
E x
Extron
MLC 104 IP Plus
MediaLink Controller
with IP Link
Laptop
L R
R
L
3 3 3
Tip
Ring
Sleeves
Tip
Ring
RCA Connector
Balanced St
1