Having problems with your Altec Lansing 621 Computer Speakers ?

My subwoofer (Altec Lansing[AVS500]) is always makeing a thumping

\015 Every time I use my computer my subwoofer makes a thumping sound. I dont think I have blasted them because I never turn them up pass a quarter of the way on the volume, sometimes its doing the thumping sound sometimes at night and it gets irritating. If my speakers are blasted I would like to know where to get them fix because I like these speakers with the suround sound.\015

Answers :

You could only verify this by gaining access to the rear of the speaker but I suspect that the 'spider' has come unglued.\015\012This is a device that surrounds the lower (inner) end of the cone to provide a second point of suspension; without this, the voice coil can slap against the side or bottom of the magnet structure.\015\012
\015\012I don't think a repair is an economical choice for these; repairs only make sense for 'professional' speakers that cost several hundred dollars to replace.  
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