jadi jpJP-200 sch2.JPG. 76.3 KB · Views: 5,773 Last edited: 5:41 pm. directdriver. Member. Joined 2005. 2:43 am #2 2:43The best tubes have always been Telefunkens. Mine has all Telefunken 803S. Also agree you should avoid any mods to Jadis equipment. Had one done on the JP-200