Members bengerm77 Posted February 22, 2007 Members Share Posted February 22, 2007 Hey,I think I have a problem.Today during practice, my amps volume went down slightly.It was not a very noticable difference, but there was an overall volume drop none-the-less. This has happened once or twice before, and only after practicing for about an hour. I'm concerned that this may have something to do with the power tubes, but I'm a Nub, and know very little about my amp's innerworkings. Also, it's a Peavey ultra 120.Pleez help. Link to comment Share on other sites More sharing options...
Members adiohead Posted February 22, 2007 Members Share Posted February 22, 2007 1. clean your FX loop with contact cleaner if that doesn't work: 2. check preamp tubes Link to comment Share on other sites More sharing options...
Members charliedango Posted February 22, 2007 Members Share Posted February 22, 2007 1. clean your FX loop with contact cleanerif that doesn't work:2. check preamp tubes +1 on the preamp tubes.My Rivera has blown out a preamp tube a few times and it causes one of my channels to be whisper quiet while the other is regular volume. Definitely try some newer preamp tubes if you have the chance and see if that takes care of the problem. Link to comment Share on other sites More sharing options...
Members bengerm77 Posted February 22, 2007 Author Members Share Posted February 22, 2007 I just bought and installed new preamp tubes, although I suspect one or more came in dead/{censored}ty. The amp hisses a little when I switch from standby for a second. Link to comment Share on other sites More sharing options...
Members 496dart Posted February 22, 2007 Members Share Posted February 22, 2007 try swapping in your other tubes--and power tubes. see what happens Link to comment Share on other sites More sharing options...
Members wanky Posted February 22, 2007 Members Share Posted February 22, 2007 Hey,I think I have a problem.Today during practice, my amps volume went down slightly.It was not a very noticable difference, but there was an overall volume drop none-the-less. This has happened once or twice before, and only after practicing for about an hour. I'm concerned that this may have something to do with the power tubes, but I'm a Nub, and know very little about my amp's innerworkings. Also, it's a Peavey ultra 120.Pleez help. etheir preamps or power section, but like meaationed above, a dirty fx loop will do it too Link to comment Share on other sites More sharing options...
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