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I have a JBL home theater system that is about 8 years old. The sub woofer is independently powered with an ac line and now intermittently has static/white noise that comes and goes without any apparent reason once it has warmed up for a while. Is it worth having an estimate for repair or should I just replace it? Is there anything I can do myself to identify and repair the problem?

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Its probably electrical interference. You are better off replacing it, or borrowing a friends sub and hooking it up. Just to make sure it's not your reciever or any wiring.

Posted on Mar 14, 2011

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