"François Yves Le Gal" wrote:

On Sun, 13 Mar 2005 14:01:19 GMT, Patrick Turner
wrote:

But instead of choke, it could have a secondary winding to make it an SE OPT,

http://www.bonavolta.ch/hobby/en/audio/2sk135se.htm

Yep, also if PP action is needed, but with no regard for simplicity,

http://www.turneraudio.com.au/htmlwe...5050mosfet.htm

Patrick Turner.