INT R O DU C T IO N:
F E AT U R E :
S P E C IF IC AT IO NS:
1
2
3
PA NE L F E AT U R E S A N
P E R AT IO N
4
5
6
7
POWER
OUT
SELECT
RMS 5 0W
70V 100V
(20
Ω
) (40
Ω
)
COM
100V-70V / OUT
SIGNAL IN
STEREO / OUT
70V/100 Line
Matching Transformer
MTR - 5 0
RMS
8
Ω
500 W
×
2
L+
L -
R+
-
R
The MTR-500 70V/100V Line Matching Transformer Combiner enables the conversion from an 8 Ohm
amplifier output to a 70V/100V. This unit is ideal for both professional stage or PA applications which
require running multiple pairs of speakers to a single amplifier.
Rugged 1U Metal Chassis
Internal Constant Voltage Transformers
Extensive Short Circuit & Overload Protection
Signal In LED Indicator
70V/100V Mono Power Output, RMS 500W
Frequency (-1dB): 20Hz-20kHz
Stereo Output 170W Per Channel Into 8 Ohm Loads
Signal In LED Indicator.
Stereo Out LED Indicator.
70V/100V Out LED Indicator
70V/100V Mono Speaker Output.
Power Out Select. Left = 8 Ohm Output. Right = 70V/100V Output.
8 Ohm Stereo Speaker Output.
AMP Stereo In. Maximum Capacity 170W per channel at 8 Ohm. For bridge connection, connect
amplifier’s “+” to the “L+” screw terminal connector and connect “-“ to the “R+” screw terminal connector.
Maximum power handling for bridge connection is 500W.
1.
2.
3.
4.
5.
6.
7.
POWER
OUT
SELECT
RMS
500W
70V 100V
(10
Ω
) (20
Ω
)
COM
BRIDGE
RMS
8
Ω
170W
170W
500W
L -
R+
-
R
POWER IN
L+
RMS
8
Ω
170W
×
2
L+
L -
R+
-
R
POWER
OUT
SELECT
RMS
500W
70V 100V
(10
Ω
) (20
Ω
)
COM
BRIDGE
RMS
8
Ω
170W
170W
500W
L -
R+
-
R
POWER IN
L+
RMS
8
Ω
170W
×
2
L+
L -
R+
-
R
170W 8 OHM
500W 8 OHM
170W 8 OHM
70V / 100
PE A K E R S
5 0W
170W 8 OHM
500W 8 OHM
170W 8 OHM
Constant-voltage output mode, connect the amplifier in bridge mode, put the “POWER OUT SELECT” to
the right, then connect 70V/100V in wall/ in ceiling speakers to the “70V/100V MONO OUTPUT” in series,
the total power of speaker should be below 500W
Fixed resistance output mode, connect the amplifier in stereo mode, put the “POWER OUT
SELECT” to the left, connect 2 8ohm speakers to the “8 Ohm Stereo Output” as above.
OSD Audio • 775 Columbia St •
Br
ea •
C
A • 92821 •
www.osdaudio.com
• Tel (888) 779-4968 •
Fax (714) 256-8300
0
0
BRIDGE
RMS
8
Ω
170W
500W
L -
R+
-
R
POWER IN
L+
170W
0
S
MTR- 500 USER MANUAL
7 0 V / 1 0 0 V L i n e M at c h i n g T r a n s f o r m e r C o m b i n e r
