"Okay, all you high-rolling audiophile know-it-alls—what is the argument against amplifiers that operate in high-bias, class-A, single-ended mode, with the lowest possible parts count? Is there a better strategy for beauty, rhythm, color, texture, and easy-flowing musical verity? I think not. And please explain: Why has mainstream audio gone to such ridiculous and expensive lengths to avoid building and selling precisely these sorts of amps?"

Brooklyn, 1979: Fridays were fierce. After a week of doing construction, I would gobble Wild Turkey at the Spring Lounge, then fall asleep on the F train with a fold of cash and a Sony Walkman stuffed in a chest pocket of my paint-spattered Belstaff Trialmaster jacket. Usually I missed my York Street stop by only a few stations, but occasionally I'd wake up at sunrise on Saturday at the last stop: Coney Island. I didn't mind. It was restorative to shuffle the deserted boardwalk, listening to the Ramones' Road to Ruin or Television's Marquee Moon.

Saturday June 2, 11am–5 pm, Command Performance (115 Park Avenue, Suite 2, Falls Church, VA 22046) welcomes Nick Doshi of Doshi Audio and Anthony Chiarella of Brinkmann Audio for a special analog event.

In the March 2018 issue, Art Dudley admired the sound quality of Ayre Acoustics' KX-5 Twenty preamplifier, but didn't love some of its operational aspects. I've staged this Follow-Up as a putative face-off between the Ayre and my current reference preamplifier, the PS Audio BHK Signature, which I reviewed in the June 2017 issue.