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RE: Serious Micro-Phonics and Hum from Citation V

Posted by mr9iron on July 7, 2012 at 14:33:19:
Danny,

yes my V does exhibit this characteristic, it has what I would describe as a "burst" at just past 9:00. at this point the amp really tightens up and punches the bass and lower mids like no other tube amp I have tried.

I think this is a normal characteristic unique to this amp and it's one I like. I had another V that did the same exact thing.. Maybe Jim can confirm if this is normal. I do think the amp sounds it's best at this point just past 9:00

..regarding the problems you and I are experiencing, I want to emphasize I think the amp s behaving normally out side the hum and micro-phonics, granted I do not have a scope but just pure listening at that volume seems to sound "too good" if something major was out of whack.

did you do the ground bus? My other V did not hum very much, just ever so slightly, hardly noticeable. It was an older McShane kit without the added .68 in the feedback and no ground bus on the PS caps.. do you think something could be up with the ground system?

I will def let you know if I find anything. It's too good sounding of an amp to have it let sit with these problems..

Jeff