[sgyyz]

Forget about tube for now. This may be the next DIY power amp.
A sandwich-size Class D that claimed to sound like Class A and handles difficult impedance load with authority (B&W 800's ...).

http://www.hypex.nl/index.php?option...100&Itemid=102

http://www.gearslutz.com/board/maste...pex-ncore.html

http://www.audiocircle.com/index.php?topic=105310.0