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Tech Head - The Technology Section
The Work Bench and Soldering Station
Humming subwoofer
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<blockquote data-quote="Captain Jack" data-source="post: 906168" data-attributes="member: 243342"><p>A bit of advice needed. I have some relatively old but good PC speakers*, which come with an active (powered) subwoofer. The problem I have is that the subwoofer is constantly humming - even without any audio sources or cables connected (except the power cable, obviously). </p><p></p><p>I haven't taken it apart yet but was wondering what could potentially cause this. It's clearly a mains hum - but how is this usually isolated from audio components? Knackered inductors? Or a grounding issue?</p><p></p><p>* Teac Powermax 1300</p></blockquote><p></p>
[QUOTE="Captain Jack, post: 906168, member: 243342"] A bit of advice needed. I have some relatively old but good PC speakers*, which come with an active (powered) subwoofer. The problem I have is that the subwoofer is constantly humming - even without any audio sources or cables connected (except the power cable, obviously). I haven't taken it apart yet but was wondering what could potentially cause this. It's clearly a mains hum - but how is this usually isolated from audio components? Knackered inductors? Or a grounding issue? * Teac Powermax 1300 [/QUOTE]
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The Work Bench and Soldering Station
Humming subwoofer
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