You could sense the frustration in Keith Pray's e-mail. "We are on the same team. I have always respected your wishes and will continue to do so," he had written me. At the request of a possible advertiser, Stereophile's publisher had asked me a question about something appearing in the issue of Stereophile we were preparing. I had responded that not only would I not give him an answer, I felt it inappropriate for him to ask.

Once upon a time, in audio's infancy, anyone who wanted better than average sound—average sound during the 1940s being rich, boomy and dull—had no choice but to buy professional loudspeakers. In those days, "professional" meant one of two things: movie-theater speakers or recording-studio speakers. Both were designed, first and foremost, to produce high sound levels, and used horn loading to increase their efficiency and project the sound forwards. They sounded shockingly raw and harsh in the confines of the typical living room.

EARL WILD: The Art of the Transcription
Earl Wild, piano, recorded live at Carnegie Hall on November 1, 1981
Audiofon 2008-2 (2 LPs). Julian Kreeger, prod., Peter McGrath, eng. AAA

It takes nerve for a performer to allow an entire concert to be recorded for release on disc. It also takes extraordinary confidence in one's technique. Mistakes that are overlooked in the live experience become snags for the ear in the recorded version. One starts to listen for them and loses the musical experience in its totality.

Things didn't start off auspiciously. I'd been after Symphonic Line's Klaus Bunge for more than a year to send me the Kraft 400 Reference monoblocks. Finally he called. He said he was going to be in town for a few days, and he had with him a pair of what he described as his "traveling" Kraft 400s, which he proposed to leave with me.

I'm not sure why, but people tell me things. Maybe it's because they realize I listen. They reveal themselves, sometimes in charming and unexpected ways. So I was almost prepared for my three-way conference call with the designer of the Symphonic Line Kraft 400 power amplifier, Rolf Gemein, in Germany and Indianapolis-based importer/distributor Klaus Bunge. I started by asking Rolf about his design philosophy . . .