Tube humming question

ezacarias · 23rd March 2006, 03:38 PM

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 http://tubedepot.com/diy-k12m.html.

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?

lndm · 23rd March 2006, 10:24 PM

Look for loose ground connections, broken cable braids, or solder that didn't bond (try retouching your joints with your iron).

23rd March 2006, 03:38 PM	#1
ezacarias diyAudio Member Join Date: Mar 2006 Location: Milton	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 http://tubedepot.com/diy-k12m.html. 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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23rd March 2006, 10:24 PM	#2
lndm 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).