Electronics > Beginners

Humming in speakers

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fixit7:
A humming started in my speakers.

I use a Logitech external speaker system.

If I turn it's volume down, the humming volume goes down.

If I unplug/plug its power source the humming goes away for a while.

Brumby:
What happens if you unplug/plug the signal input jack?

fixit7:
I found out that the speaker output plug was not all the way plugged in.

Brumby:
Do you mean the connection between your computer and the speakers?

radiolistener:
Probably you're need to replace electrolyte capacitors in your speakers. This is the most weak elements and often this is a root of cause of malfunction due to low quality.

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