Bedienungsanleitung JL Audio 3v2 (Seite 5 von 20) (Englisch)

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POWER CONNECTIONS

Before installing the amplifier, disconnect

the negative (ground) wire from the vehicle’s

battery. This will prevent accidental damage to

the system, the vehicle 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 XD500/3v2’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 XD500/3v2 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 2 AWG

or 1/0 AWG 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 XD500/3v2 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.

The ground connection should be made

using 4 AWG wire and should be kept as short

as possible, while accessing a solid piece of sheet

metal in the vehicle. The surface of the sheet

metal should be sanded at the contact point to

create a clean, metal-to-metal connection between

the chassis and the termination of the ground

wire. For optimal grounding, we recommend

the use of a JL Audio ECS master ground lug

(XB-MGLU). Alternatively, a sheet metal screw or

bolt can be used with a star washer.

Any wires run through metal barriers (such

as firewalls), 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.

Many vehicles employ small (10 AWG -

6 AWG) wire to ground the battery to the

vehicle 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 XD500/3v2 is being run from that power

wire, use a 50A fuse.

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™ big plastic-body fuse is recommended).

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JL Audio 3v2 Seite 5

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