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X-D11 include
RCA input and output
High level input with auto start
Continuous variable low pass crossover
Continuous variable subsonic crossover
Bass boost feature
Remote bass level control
Phase control cont. variable 0-180 degrees
Bridge mode master / slave selector
Electronic protection circuitry against
short-circuit, DC offset and thermal overload.
Installation
Before you begin the install
Before you begin you need to read the manual, to have
some tools, cables and other material available. There
is one such list of material on the following page.
Amplifier location
Important
Allow air circulation around the amplifier.
The X-program series of amplifiers have a compact
design that allows great flexibility in mounting. You
can mount it under a seat or in the trunk.
When you select a location, do remember that the
amplifier generates a lot of heat.
Choose a location where air can circulate freely
around the amplifier. Do not cover the amplifier with
carpets or hide behind trim panels.
Do not mount the amplifier in an inverted or upside
down position.
Check all locations and placements carefully before
making any cuts, drilling any holes or making any
connections.
Disconnect Battery
Before starting the instal-
lation, always disconnect
the negative terminal of
the battery.
X-logo on amplifier cooling flange
The X-logo on the amplifier top is attached with two
1 mm hex. screws. The logo can be removed and
twisted 90 or 180 degrees, and then screwed back
in wanted position. The logo can be mounted in four
different ways to match your installation.
2
Troubleshooting
If problems occur during the installation, or later,
this guide might help you to find out whats´s wrong.
The amplifier is dead:
1. Check power lead, ground and connections at
the amplifier using a multi meter.
2. Check the battery terminal connections.
3. Check the power lead fuse or circuit breaker. If
fuse damage continues, inspect the power lead
for short circuits.
4. Check the amplifier protection fuses. Are these
broken change to new ones with the same value.
If short circuiting continues, contact your local
DLS dealer. A fault may exist in the amplifier.
5. To start the amplifier requires a remote voltage
of 9-15 volt. Check the voltage with a multi meter.
Amplifier protection fuse blows at low volume:
One or more speaker cables are shorted. Make an
insulation test with a multi meter. The cables must
not have a connection to earth.
The amplifier turns off after 10-30 minutes:
The amplifier is overheating due to inadequate venti-
lation. Check mounting position is free from
obstruction.
Solution:
1. Move the amplifier to a place with better ventil-
ation.
2. Install one or two fans to cool down the heat-
sink.
3. Overheating can also be caused by an
impedance load below the level permitted.
No output from the speakers:
Check the following:
1. Speaker cable connections to both amplifier and
subwoofers.
2. Signal lead plugs and cables.
Mounting
Fasten the amplifier to the surface using the four
separate brackets coming with the amplifier. The
brackets are attached to the amplifier with screws
and can be directed in two ways, see figure:
Mount the flanges this way,
Bottom plate of amplifier
X-D11
or this way.
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