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Normal Channel not working...swapped out V1 tube but no luck

Posted: Mon Apr 30, 2012 1:50 pm
by page361
What could cause the Normal Channel to stop working? Bright channel works great... I swapped the V1 preamp tube with the V2 and the Norm Ch still doesn't work but Bright Ch sounds good - there isn't even a "hiss" coming out of the speaker cab when only using the Norm Ch input (both hi and lo) . I've checked all the under board wiring / solder joints and all looks good. Tested the pot and it measures good as well.

Any ideas?

Re: Normal Channel not working...swapped out V1 tube but no

Posted: Mon Apr 30, 2012 1:58 pm
by YMI5150?
what's the amp? need pics of the inside

Re: Normal Channel not working...swapped out V1 tube but no

Posted: Mon Apr 30, 2012 5:09 pm
by page361
Figured it out...broken wire. My tired eyes didnt catch it

Re: Normal Channel not working...swapped out V1 tube but no

Posted: Mon Apr 30, 2012 5:29 pm
by YMI5150?
excellent. somewhere between the input jack and 1st valve?