I don't know. Im pretty sure he is self taught which infers certain limitations. People function within the box defined by their understanding. For most folks, not much exists outside of that. I was thinking that he could have wound you a tranny with 16 ohm taps. My only Decware product was the ZP3 which was wonderful. But I do truly love my 20/20. Maybe I should have recommended a Sutherland KC Vibe, $895 or Insight $1400. Ron Sutherlands engineering chops are of a known and respected quality.