Amplifier
shuts
down
after
~ing
for
a
period
of
time
• Thermal protection
circuits
are
shutting
the amplifier off: Check the location for
adequate ventilation. Relocate amplifier as required. Consult an authorized
Clarion audio dealer.
Distorted
audio
• Gain
is
not
properly set properly: review the instructions for setting the gain.
• Speaker cones are damaged: inspect each speaker cone for signs of damage,
such as a frozen cone, burnt smell, separated or ripped surround or separated
spider.
Amplifier
fuse
keeps
blowing
• Incorrect
wiring
or
short
circuit: review the installation and check all wiring
connections.
• Amplifier being driven
too
hard: Turn down the
Fuse rating table
volume, gain or bass boost.
Model Fuse rating
• Undersized
or
faulty fuse installed: Replace the
APX2180 30 Amp
amplifier fuse with the same rating fuse as the one
APX4360
50 Amp
that shipped with the unit.
DPX2250
6_0
Amp
Note:
DPX1800 90 Amp
DPX11500
200 Amp
The DPX11500 ships with a 200 Amp, ANL-type
fuse; mount it external to the unit, near the battery.
Whining
noise
when
engine
on
• RCA cables
too
close
to
the
power wire: Separate RCA and power cables.
Ground loops are caused by a mismatch
in
the ground potential (voltage) between
two sources. Current flows through the shield of the RCA cable and
is
quickly
picked up by the amplifier. There are several ways to solve this problem:
• Re-ground the amplifier to a more electrically conductive location.
• Re-ground the head unit to a more electrically conductive location.
• Run a ground wire from the head unit to the amplifier ground.
• Upgrade or replace the ground wire on the battery and alternator.
• Run a ground cable from the negative terminal of the battery to the amplifier.
• Wire the entire audio system using a single connection point to the chassis.
• Induced noise: Relocate components away from electrical noise sources:
• Engine control computers
• ASS brake control modules.
22
APX/OPX Amplifiers
Amplifier
shuts
down
after
~ing
for
a
period
of
time
• Thermal protection
circuits
are
shutting
the amplifier off: Check the location for
adequate ventilation. Relocate amplifier as required. Consult an authorized
Clarion audio dealer.
Distorted
audio
• Gain
is
not
properly set properly: review the instructions for setting the gain.
• Speaker cones are damaged: inspect each speaker cone for signs of damage,
such as a frozen cone, burnt smell, separated or ripped surround or separated
spider.
Amplifier
fuse
keeps
blowing
• Incorrect
wiring
or
short
circuit: review the installation and check all wiring
connections.
• Amplifier being driven
too
hard: Turn down the
Fuse rating table
volume, gain or bass boost.
Model Fuse rating
• Undersized
or
faulty fuse installed: Replace the
APX2180 30 Amp
amplifier fuse with the same rating fuse as the one
APX4360
50 Amp
that shipped with the unit.
DPX2250
6_0
Amp
Note:
DPX1800 90 Amp
DPX11500
200 Amp
The DPX11500 ships with a 200 Amp, ANL-type
fuse; mount it external to the unit, near the battery.
Whining
noise
when
engine
on
• RCA cables
too
close
to
the
power wire: Separate RCA and power cables.
Ground loops are caused by a mismatch
in
the ground potential (voltage) between
two sources. Current flows through the shield of the RCA cable and
is
quickly
picked up by the amplifier. There are several ways to solve this problem:
• Re-ground the amplifier to a more electrically conductive location.
• Re-ground the head unit to a more electrically conductive location.
• Run a ground wire from the head unit to the amplifier ground.
• Upgrade or replace the ground wire on the battery and alternator.
• Run a ground cable from the negative terminal of the battery to the amplifier.
• Wire the entire audio system using a single connection point to the chassis.
• Induced noise: Relocate components away from electrical noise sources:
• Engine control computers
• ASS brake control modules.
22
APX/OPX Amplifiers
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