@millercarbon the ZP3 has always been of interest to me but I do not like that the RCA plugs are right next to a robust power supply. There might be a shielding system going on inside of your ZP3, have you ever pulled the top off?
OP: Ron Sutherland lives 10 blocks from my house, I would try one of his higher end stages if I could. If you can not find what you need there is a possibility of sending your current stage to Noble Electronics in Iowa or having them build a Tubes 4 HiFi kit.
Don Sachs, Hagerman, and Decware are OEM options of interest to me in that price range, if you do come across something else please post about it.
OP: Ron Sutherland lives 10 blocks from my house, I would try one of his higher end stages if I could. If you can not find what you need there is a possibility of sending your current stage to Noble Electronics in Iowa or having them build a Tubes 4 HiFi kit.
Don Sachs, Hagerman, and Decware are OEM options of interest to me in that price range, if you do come across something else please post about it.