Extron electronic Stereo Amplifier MPA 401 100V User 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.  
Extron  
SI 3CT LP  
Full-Range  
Ceiling Speakers  
Extron VC 50  
Volume Controller  
VOLUME  
0
5
C
V
n
o
r
t
x
E
Extron  
MLC 104 IP Plus  
Controller  
Y
A
L
SP  
DI  
A
4
0
1
-1
0
0
V
F
OF  
M
P
ON  
T
UTPU  
O
ME  
LU  
O
100V
V
E
IG  
F
N
O
A
C
REMO  
5
T
0m  
10V
ING  
T
WIR  
104 IP  
MLC  
R
CLASS  
2
L(SUMMED)  
G
C
V
ME
L
(SUM  
R
S
POWE  
INPUT  
R
X
12V  
1.5A MA  
.  
Extron  
MPA 401  
Mini Power  
Ampliꢀer  
232  
RS-  
N
O
O
LA  
B
/B  
-Y  
U
U
T
T
T
SE  
E
R
G
/Y  
P
P
INK  
U
T
T
C
A
R
T
-Y  
/R  
ID  
/V  
C
/Y  
-Y  
,B  
,Y  
-
Y
/R  
B
G
R
Y
C
/
H
R-  
/
Y
/VID  
4
I
SD  
YC  
I
N
N
I
3
P
U
U
P
2
T
T
1
T
U
P
T
R
U
O
L
O
UDI  
A
R
4
L
R
3
L
INPUTS  
R
2
A
.3  
L
V
R
0
4
-2  
1
0
0
1
L
Extron  
0
/6  
0
DVS 304 DVI AD  
Digital Video  
Scaler  
Flat Panel  
Display  
(DVI)  
Audio  
with Audio  
R
E
IV  
E
C
E
R
S
B
D
Laptop  
(RGB)  
VCR  
(Video)  
DVD  
(Component)  
DSS Receiver  
(S-video)  
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.  
OUTPUT  
100V OUTPUT  
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).  
100V  
ATTENTION: Do not ground or short the speaker outputs as this will damage the  
CLASS 2 WIRING  
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.  
Tip (L)  
Step 4 — Attach sources to the MPA 401 unit from the audio source or projector.  
Ring (R)  
Tip (+)  
The three rear panel audio inputs can be used individually or together:  
z
z
z
One pair of RCA receptacles (unbalanced)  
Sleeve (  
)
Sleeve (  
)
One 3.5 mm stereo tip-ring-sleeve receptacle (unbalanced)  
One 3.5 mm, 5-pole captive screw receptacle (balanced or unbalanced)  
RCA Connector  
3.5 mm TRS Connector  
Tip  
Ring  
Sleeves  
Tip  
Tip  
Tip  
Ring  
Tip  
Sleeve  
Sleeve  
Tip  
Sleeve  
Sleeve  
Ring  
Unbalanced Stereo Input  
Balanced Stereo Input  
Unbalanced Mono Input  
Balanced Mono Input  
1
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