For the spiritual benefit of viewers intrigued by 300W light bulbs, sweet spot meters and static induction, here's a very well written and entertaining article by Michael Rothacher, hosted on the diyAudio site:
http://www.diyaudio.com/forums/diyau...-part-1-a.html
Courtesy of Nelson Pass himself, scoot here for beguilement over the De-Lite amplifier:
http://www.firstwatt.com/pdf/art_delite.pdf
"Keep your bias high and your feedback low" compradres.