Hi All,

This month in SPECTRUM magazine on the topic of audio:

[1]  Digital Audio's Final Frontier - By Bruno Putzeys

In its march from sources like CDs or DVDs toward your loudspeakers,
digital technology has reached into an analog stronghold--the power
amplifier. There, under the sobriquetof Class D operation, it is boosting
efficiency and slashing equipment size. It sounds pretty good, too. 

http://www.spectrum.ieee.org/WEBONLY/publicfeature/mar03/dig.html


[2] The Irresistible Transistor - By Harry Goldstein

A first love is electric, but rarely electronic. The 50-year-old Raytheon
CK722 signal amplifier still stirs the emotions of hobbyists whose early
obsession evolved into a profession, and is now a hobby once again.

http://www.spectrum.ieee.org/WEBONLY/publicfeature/mar03/tran.html



...August

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