Linear Audio has published Volume 2, the third in their series of books on tech audio.
Vol. 2 again presents a wide variety of technologies and subjects. Bob Cordell is back with a very high quality KT-88-based tube power amplifier, while
On the solid-state front, Kendall Castor-Perry presents his design for a novel and ingenious unity gain power output stage that needs no adjustments or thermal compensation yet is extremely linear, even open-loop.
Samuel Groner from
Marcel van de Gevel describes a simple loudspeaker correction filter with standard capacitor values and a buffer amp. EUVL presents a minimalistic I/V converter for current output DACs based on jFETs and a floating power supply. Stuart Yaniger shares some interesting insights and experiences related to controlled listening tests.
Gary Galo’s Guest Editorial provides a thought-provoking insight into the history, development and current state of digital audio.
Several of the articles in Linear Audio Vol. 2 can be used as construction projects, like the tube and power amplifier articles or the I/V converter articles.
Linear Audio Volume 2 is available exclusively through the publishers' website (url below).