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Maintronic DPA4.150 Service Manual page 7

Digital power amplifier

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Connection mono mode - for IN1, IN2, IN3 and IN4
OUT 1
0 / 50V / 100V
100 V / Σ 150 W / 66 Ω
(50 V / 16 Ω)
Connection bridged mode - for IN 1/2 B and IN 3/4 B
Attention when using bridged mode:
Bridge connections are only allowed as shown.
Please make sure not to connect otherwise as in the below picture shown.
A dangerous high voltage may remain at the output connectors.
Other type of wirings are not allowed.
OUT 1
0 / 50V / 100V
0 / 50V / 100V
+
GND
OUT 2
100 V / Σ 300 W
33Ω
Signal 1
Input 1
Symmetrical connection
Source
Unsymmetrical connection
Signal
Input
installation
+IN 1
GND
-IN 1
Amp
+IN 1
GND
-IN 1
+IN 1/2 B
GND
-IN 1/2 B
Bridge
B active
1
7

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