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Subwoofer bass problem

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  • Video
Last response: in Other Consumer Electronics
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August 16, 2014 11:41:12 AM

My subwoofer has a bass problem, idk what's wrong with it, the bass starts good at first but then it keeps doing weird sounfsds: here's a video: http://m.youtube.com/watch?v=JTZ9ShUrcMo And here is a picture of the system: http://i60.tinypic.com/sy9y5e.jpg The problem is whenever I turn up the bass, it keeps going BRRRRR like in the video. How do I fix that? It used to work perfectly before.

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August 17, 2014 10:02:19 AM

Hi
That sounds like the sub amplifier is oscillating,possibly caused by one of the output transistors starting to fail and causing an imbalance.
BTW you don't happen to have a microphone close by that has the gain turned way up do you ?
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