In a message dated 9/18/98 4:29:10 PM Pacific Daylight Time, tesla@pupman.com writes: > The best we might do to hit this on > single phase is run pure, ultra stiff, DC! A costly choice, but it > could be done. Why does the DC have to be so pure??? It would be cheap enough to build a non- ripplefree supply with 8020 or 705A tubes, say a 30kv supply. That would give you 3 kw of power per tube (or a 20 kv supply at 2 kw per tube). jim heagy