Tube Amp Archive

Hmmm... failed to attach pictures, anyway, if anyone is interested, might send by mail.

Hi to All. And thank you for taking time to answer. Meanwhile, I have contacted Koch and am waiting also for their response. The current problem is minor, but really irritating: even when the Clean channel Volume knob is turned to "zero", sound is still audible, at a level which should normally be 1...

Hi Everybody, I am a newbie here and I am desperately relying on your help. My new purchase (though second hand unit), a KOCH STUDIOTONE recently started to create problems. Being on the edge of Europe (Bulgaria) I have no official service around or at affordable distance. While waiting for the Guys...