Bedienungsanleitung JL Audio M500 (Seite 5 von 20) (Englisch)

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POWER CONNECTIONS

Before installing the amplifier, disconnect the

negative (ground) wire from the vessel’s battery.

This will prevent accidental damage to the system,

the vessel and your body during installation.

INPUT SECTION

(

)

(

)

Remote

Level

Control

CH. 1&2 SUB CH. Preouts

+12 VDC Ground Remote

CH. 1

(

)

CH. 2

(

)

Bridged Mono Subwoofer Output

The M500/3’s “+12 VDC” and “Ground”

connections are designed to accept 4 AWG

power wire. 4 AWG is the required wire size for

this amplifier.

If you are installing the M500/3 with other

amplifiers and wish to use a single main power

wire, use 2 AWG or 1/0 AWG main power wire

(depending on the overall current demands of all

the amplifiers in the system). This large power

wire should terminate into a fused distribution

block mounted as close to the amplifiers as

possible (within 12 inches / 30cm of wire length).

The fused output of the distribution block will

connect to the M500/3 with 4 AWG power wire.

JL Audio ECS fused distribution blocks are

recommended (XD-FDBU-2 and XD-FDBU-4)

Note: Smaller AWG numbers mean bigger

wire and vice-versa (1/0 AWG is the largest, 2

AWG is smaller, then 4 AWG, then 8 AWG, etc.).

To connect the power wires to the amplifier,

first back out the set screw on the top of the

terminal block, using the supplied 2.5 mm hex

wrench. Strip 1/2 inch (12 mm) of insulation from

the end of each wire and insert the bare wire into

the terminal block, seating it firmly so that no

bare wire is exposed. While holding the wire in

place, tighten the set screw firmly, taking care not

to strip the head of the screw and making sure

that the wire (not the insulation) is firmly gripped

by the wire clamp in the terminal.

The ground connection should be made using

the same gauge wire as the power connection.

Any wires run through barriers must

be protected with a high quality rubber

grommet to prevent damage to the

insulation of the wire. Failure to do so

may result in a dangerous short circuit.

IMPORTANT

Many vessels employ small (10 AWG -

6 AWG) wire to ground the battery to the vessel

chassis and to connect the alternator's positive

connection to the battery. To prevent voltage

drops, these wires should be upgraded to 4

AWG when installing amplifier systems with

main fuse ratings above 60A.

FUSE REQUIREMENTS

It is absolutely vital that the main power

wire(s) to the amplifier(s) in the system be

fused within 18 inches (45 cm) of the positive

battery post connection. The fuse value at each

power wire should be high enough for all of the

equipment being run from that power wire. If

only the M500/3 is being run from that power

wire, we recommend a 50A fuse be used.

If fusing the amplifier near its power

connections (when more than one amp is being

run from the main power wire), use a 50A fuse.

MAXI™ plastic-body fuses are recommended.

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JL Audio M500 Seite 5

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