I wrote a quick article on my web page on how I FINALLY got to own a PASS designed amplifier.....Hope you enjoy the read!
http://rvbprecision.com/stereo/nelson-pass-first-watt-f5-turbo-v2.html
http://rvbprecision.com/stereo/nelson-pass-first-watt-f5-turbo-v2.html