The 12 Most Significant Power Amplifiers of All Time

Kondo Audio Note Ongaku Resurrecting a Lost Art Hiroyasu Kondo resigned his position as an audio circuit designer at CBS to follow his dream of creating an amplifier that delivered “natural sound” free from “mechanical” artifacts. Kondo’s research led him to revisit the long-abandoned single-ended triode (SET) designs that were the first amplifiers built at the dawn of the electronics age. His enthusiasm for SET amplifiers was based on both reason and emotion. The engineer in him preferred the inherent simplicity and lower parts-count of SETs relative to other amplifier types—at least as long as high power was not a …