Tonni wrote:
know ;-)
" 6112 twin triode (two) "


I would have thought that 6112s would be a bit too
wimpy for that. I would have thought of using 6111s
in a SRPP circuit. I did that in a CD player, see
http://home.earthlink.net/~wa2ise/images/srppdac.gif
but not for the headphones directly. More at:
http://pw2.netcom.com/~wa2ise/radios...ac.htm#tubedac