Atma-Sphere would probably be my first choice. Ralph is constantly posting on forums trying his best to help people. The vast majority of them don't even own any of his products. For me personally, stuff like that is a huge plus.
What is the best OTL out there?
Hello. I've always been curious about OTL amplifiers, but never tried one except for the very unusual (and wonderful) Berning Siegfried, which was both SET and OTL. I wonder if there is an agreement as to which OTL currently in production can be considered to be the best. Ciao.