@kosst_amojan, I meant no disrespect to Nelson Pass. I have a lot of respect for much his work, and am a happy long term user of a Nelson Pass pre and power amp.
In my original attempt at my previous post, I tried to include links to all of the Stereophile's Pass labs amplifier measurements available on the web, but it seemed to overload Audiogon's capabilities, so I deleted them and summarized.
...And yes, I have read quite a bit of Nelson Pass's writings, which I enjoy on a number of levels.