Hi all, I would like a good book on tube amp design. The more technical stuff the better. But not how to make your Fender to sound like a pre-CBS unit. Any recommendations? Regards, Tony Allgood, Cumbria, UK Rack mounted moog filter and the TB3030 SuperBassline projects: http://aupe.phys.andrews.edu/diy_archive/schematics/oakley/