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Humming capacitor?

  1. Oct 19, 2004 #1
    Hi, what can cause a capacitor to hum?
    My active speakers are producing a lot of hiss (tweeter) / low humming (bass speaker) and the cause seems to be a capacitor as it vibrates a little and makes some noise doing it. Is it because of ageing?
    Thanks.
     
  2. jcsd
  3. Oct 23, 2004 #2
    what you are hearing is 60 hz hum probably due to bad capacitors in your amp.
    proof: put your speakers on another system and see if it goes away. double check by putting proven speakers on your system.
     
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