bass combo problem

Hello everybody, I purchased an used Ampeg RB110 a month ago, it was properly working and i was enjoying playing it for home practice. Since few days i started noticing a change in the tone, it started to lose some low end and have a slight distortion when playing higher notes, now it is...

Hello! I recently bought Orange 35b from a guy who used it as a phone table for a couple of years. He is not a musician, it was a b-day gift from a friend, and he said he did not used it at all. And I have one question for you: the amp seems in perfect condition, no any bumps or tearing signs...