Bill_L Posted March 30, 2001 Share Posted March 30, 2001 I was wondering if it's normal for the KSW-12 to have a slight hum as soon as it is plugged into the electrical outlet. It is very slight and you can only hear it when you place your ear directly onto the sub. I am just curious as to why the hum is still there even with the power switch turned off. It seems like all power to the sub would be off when turning the power switch off Quote Link to comment Share on other sites More sharing options...
t-man Posted March 30, 2001 Share Posted March 30, 2001 Mine does the same thing. See my old post. Let me know if you figure out what's wrong with it. Is this normal!!!!????? Quote Link to comment Share on other sites More sharing options...
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