chrisbagi Posted August 29, 2011 Share Posted August 29, 2011 Hi All, Not sure if this question was ask, so forgive me as I searched here and found no related topic. My problem with my BC 30 is when I turn it on in 30 watt mode, all is fine. Then anywhere after playing for about 2-8 minutes of playing my amp it will hiccup, seems like it goes off for a second, then back on, drop in power and sometimes here pop in the reverb, after that there is a slight drop of the volume then I here a buzzing sound. It's annoying, Everything still sounds good but can't understand why it would do that. I have had this amp for about 2 years with no issues till now. When I increase the volume you can't here the buzzing sound as it stays at that level of sound, it bugs me cause when I try to play at bedroom levels I can here it. Any thoughts on this would be great help. Thanks. Link to comment Share on other sites More sharing options...
StijnV Posted August 30, 2011 Share Posted August 30, 2011 Hi, It could be only a faulty tube. I would bring the amp to an amp technician. I have attached the schematics for this amp. Kind regards, Stijn EPIPHONE BLUES CUSTOM 30 SCHEMATIC VER01-DPPT.pdf Link to comment Share on other sites More sharing options...
chrisbagi Posted August 30, 2011 Author Share Posted August 30, 2011 Yeah I was thinking the same, although I changed the preamp tubes with my other set just to see and there was no change. I was looking at the power tubes and one didn't seem right, it looks like a piece of filament inside was bent out of shape, but still had it's glow. I will swap out the power tubes anyways as they where the stock ones, gonna get ones with more bottom end. Thanks Stijn. Cheers. Link to comment Share on other sites More sharing options...
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