FYI: Nelson Pass Interview posted at Stereophile

[Blues]

Originally posted by GRollins
Amongst other things, you modified your position as to how practical single-ended amplifiers were. In the interview, you sounded like it would never happen. Then came Pass Labs and the Aleph series.

Grey

In the interview, NP was actually pre-conditioning our brains for the coming of the Aleph....

"So there is every reason in the world why nobody's building single-ended output stages. ...The overriding consideration here—and this relates to people's perception of absolute phase; audiophiles who believe in the importance of absolute phase are, I believe, essentially correct—is that air is single-ended and is not symmetric with regard to plus and minus. True, the nonlinearities and the asymmetry are quite small in the level that we normally like to think of, but in fact, when you're in the high end you're dealing with subtleties. This is a subtle thing, but it's real. "