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Old 23rd March 2006, 03:38 PM   #1
diyAudio Member
Join Date: Mar 2006
Location: Milton
Default Tube humming question

This is my first try on creating a tube amplifier. I bought the K12G kit (I think this is the latest update for the kit) at TubeDepot

I'm very pleased with the quality of the sound however when the volume is set to "0" I can hear a humming sound on the right speaker. the left speaker is perfect and dead silent. Do any of you know what might cause the "hum" on the right channel?
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Old 23rd March 2006, 10:24 PM   #2
lndm is offline lndm  Australia
diyAudio Member
Join Date: Mar 2006
Location: nsw
Look for loose ground connections, broken cable braids, or solder that didn't bond (try retouching your joints with your iron).
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