My friend from Russia made an audio amplifier using BUF634T in the output
http://translate.google.com/translate?sl=auto&tl=en&prev=_t&hl=en&ie=UTF-8&u=http://www.vegalab.ru/forum/showthread.php/23360-Prophetmaster-s-Class-quot-A-quot-Power-Amplifier-%25D1%2581-%25D0%25B2%25D1%258B%25D1%2585%25D0%25BE%25D0%25B4%25D0%25BD%25D1%258B%25D0%25BC-%25D0%25BA%25D0%25B0%25D1%2581%25D0%25BA%25D0%25B0%25D0%25B4%25D0%25BE%25D0%25BC-%25D0%25BD%25D0%25B0-41-%25D1%2588%25D1%2582.-BUF634T
He is going make one for me,are there any newer and better sounding op amps?
Regards and appreciate any help