11
TROUBLESHOOTING
NO POWER/SOUND
Check the subwoofer to make sure it isn’t damaged. If your subwoofer doesn’t get any
power, the most common issue is either in the wiring or in the amplifier. Use a multimeter to
measure the amplifier’s voltage on the +12V terminal and the remote signal terminal. Use a
multimeter to make sure that you have a negative ground connection. Check the built-in
fuse (if there’s one) on the amplifier. If there’s no power coming through – control the fuse
on the power cable. If this is intact - make a full check of the wiring to ensure cable integrity.
Check all the speakers connected to your sound system. Check all the speaker cables and all
the signal cables. Check your head unit to make sure no settings are limiting the amplifier’s
functions or the subwoofer. When all of the above has been tested/looked over, and all is as
it should be but there’s still no sound, consult your local GAS dealer.
UNWANTED NOISE
Start by looking over the subwoofer and other speakers in the sound system so there is no
damage or connection issue with the wiring. Make sure that your signal cables or speaker
cables aren’t too close to the power cables. Check your amplifier’s grounding point and
make sure that the surface is clean. When all of the above has been tested/looked over, and
the unwanted noise does not vanish, consult your local GAS dealer
DISTORTION
Start by looking over the subwoofer and other speakers in the sound system so there’s no
damage or connection issue with the wiring. Check the speaker cables to make sure that
the polarity isn’t reversed on one channel. Check the settings on the amplifier, make sure
that the gain/level is set according to the amplifier’s instructions. If your amplifier has a
boost function, lower its effect or turn it off.
Summary of Contents for Mad S1-104
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