Hello everyone,
Great to see there is a forum for Sunn enthusiasts. I acquired a Sunn studio lead last year. I'm trying to repair it, it's got some nasty sound issues. Basically, it sounds like it's breaking up, especially with the bass up even a little bit, on both the rhythm and lead channels. I've tested the speakers on a different amp, the speakers sound great, no problem with them and I occasionally use the Sunn as a cabinet and my Seymour Duncan Convertible as a head and speaker.The reverb is not working as well. I can try and make some recordings of it, and I'll give some pictures a shot, only camera I have is on my computer.