K-12 kit, buzz in R channel - Page 2

mnr102 · 20th February 2008, 03:43 PM

Sorry,don't know off the top of my head. If I think of it, I'll measure it next time I'm near it. The schematic may list this.

-Mike

Jeb-D. · 20th February 2008, 05:23 PM

I got an earlier version of the kit that had a few board errors. One of the errors was that the hole they supplied for grounding the pot was actually tied to the input signal line of one channel rather than to ground. You may want to check yours for the same.

mnr102 · 20th February 2008, 05:35 PM

Thanks Jeb,
I'll check that out. That would explain why only one channel of my amp has noise. Here's to hoping it's that... an easy fix.

-MIke

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20th February 2008, 03:43 PM	#11
mnr102 diyAudio Member Join Date: Mar 2007	Sorry,don't know off the top of my head. If I think of it, I'll measure it next time I'm near it. The schematic may list this. -Mike

20th February 2008, 05:23 PM	#12
Jeb-D. diyAudio Member Join Date: Nov 2005 Location: SoCal	I got an earlier version of the kit that had a few board errors. One of the errors was that the hole they supplied for grounding the pot was actually tied to the input signal line of one channel rather than to ground. You may want to check yours for the same.

20th February 2008, 05:35 PM	#13
mnr102 diyAudio Member Join Date: Mar 2007	Thanks Jeb, I'll check that out. That would explain why only one channel of my amp has noise. Here's to hoping it's that... an easy fix. -MIke

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