Question about Dual L8SW Subwoofer
Fuse blows even when power switch is in off position. Prior to the fuse blowing, the unit emitted a loud hum without the stereo unit being turned on. The unit is about a year and a half old and no previous problems.
There is a problem with the amplifier within the sub. Many of these units never completely turn off. They are often set to automatically startup when a signal is detected. This may be the case here. The loud hum as a defect in the output amp section. At this point you probably have a blown amp section. The "protection" for this is to cause a dead short that will open up the fuse. This unit will require service. It is unlikely that any service info is availabel to the general public either.
The fix could be simple, but without seeing the unit, I can not state that for sure.
Keep us posted.
Posted on Feb 03, 2009
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Posted on Jan 02, 2017
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