Having problems with your Altec Lansing 621 Computer Speakers ?

AVS500 powered subwoofer

\015 I have this ancient computer sound system which has been perfectly adequate for my computer usage, until the last few weeks. The subwoofer has developed this extremely annoying sound which I think may be interference of some kind. You cannot hear it on the small speakers. It is purely the subwoofer. The system has been in the same spot for over two years, so I cannot understand what has started to affect it. It is a constant quick mid range pulsating kind of sound. It last for several minutes and goes for a while to re-appear a little later without warning. I use the 5 speaker surround setting. How can I troubleshoot the system and sort the problem out. The troubleshoot on the computer has not helped at all.\015

Answers :

I would look around for anything new in the house dif tv anything elctrical and unplug it to see if this helps
Repair Help & Product Troubleshooting for Altec Lansing 621 Computer Speakers

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