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The Universal Sound
LRx 3.1MT
LRx 5.1MT
Owner’s manual
I
LRx 3.1MT Power Supply and output terminal description
1_ Protection fuse: 80 A;
2_ Anti-short circuit protective shield;
3_ -Power (Ground): terminal block for the
amplifier power supply negative pole
connection. Insert the battery
negative cable or a wire
connected to the vehicle
chassis here.
The hole accepts cables up to
2 A.W.G. For the best current
transfer, we recommend
the use of cables with as big
a section as possible or, at
least, with the same section
as the wire connected to the
positive pole;
4_ + Power (11÷15 VDC): terminal block for
the amplifier power supply positive pole connection.
Insert the battery positive cable here. The hole accepts cables up
to 2 A.W.G. For the best current transfer, we recommend the use of
cables with as big a section as possible or, at least, with the same section
as the wire connected to the negative pole;
5_ +/- Left A Speaker Out: + and - Left speaker power terminals of
A channels;
6_ +/- Right A Speaker Out: + and - Right speaker power terminals of
A channels;
7_ +/- Center Speaker Out: + and - speaker power terminals of the CENTER channel;
8_ +/- Speaker SUB OUT: + and - speaker power terminals of the SUB output;
9_ Remote Sub Volume: Inputs for sub volume remote control, optional VCRA;
10_ Speaker ON: Inputs for turning on the amplifier through the speaker power cable.
If source does not have a 12 VDC Remote output, connect any power output, even in parallel with
a factory speaker, here for turning on the amplifier;
11_ Remote IN/OUT: REM IN, terminal for the Remote cable coming from the device which turns
on the amplifier. Voltage must be between 7 and 15 VDC. REM OUT, terminal for repeating Remote
voltage and turning on other electronic devices. Output voltage is 12 VDC at 50 mA. Connection
made to the SPK ON, also without the REM IN, will supply voltage to the REM OUT to turn on
other devices.
I
LRx 5.1MT Power Supply and output terminal description
1_ Protection fuse: 100 A;
2_ Anti-short circuit protective shield;
3_ -Power (Ground): terminal block for the
amplifier power supply negative pole
connection. Insert the battery negative
cable or a wire connected to the
vehicle chassis here.
The hole accepts cables up to
2 A.W.G. For the best current
transfer, we recommend
the use of cables with as big
a section as possible or, at
least, with the same section
as the wire connected to the
positive pole;
4_ + Power (11÷15 VDC): terminal block for
the amplifier power supply positive pole connection.
Insert the battery positive cable here. The hole accepts cables
up to 2 A.W.G. For the best current transfer, we recommend the use
of cables with as big a section as possible or, at least, with the same
section as the wire connected to the negative pole;
5_ +/- Left A Speaker Out: + and - Left speaker power terminals of
A channels;
6_ +/- Center Speaker Out: + and - speaker power terminals of the
CENTER channel;
7_ +/- Right A Speaker Out: + and – Right speaker power terminals of A channels;
8_ +/- Left B Speaker Out: + and - Left speaker power terminals of B channels;
9_ +/- Right B Speaker Out: + and - Right speaker power terminals of B channels;
10_ +/- Speaker SUB OUT: + and - speaker power terminals of the SUB output;
11_ Remote Sub Volume: Inputs for sub volume remote control, optional VCRA;
12_ Speaker ON: Inputs for turning on the amplifier through the speaker power cable.
If source does not have a 12 VDC Remote output, connect any power output, even in parallel with
a factory speaker, here for turning on the amplifier;
13_ Remote IN/OUT: REM IN, terminal for the Remote cable coming from the device which turns
on the amplifier. Voltage must be between 7 and 15 VDC. REM OUT, terminal for repeating Remote
voltage and turning on other electronic devices. Output voltage is 12 VDC at 50 mA. Connection
made to the SPK ON, also without the REM IN, will supply voltage to the REM OUT to turn on
other devices.
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