Munich, Germany — PS Audio’s first vacuum-tube audio products go on display this week at the Munich High End show. The Bascom H. King Signature 250 and 300 amplifiers have begun shipping in the U.S.

Imagine a full-blown, high-end integrated stereo amp -- shrunk down to the size of a small book -- voilà, it's PS Audio's Sprout! Steve Guttenberg Former contributor Ex-movie theater projectionist ...

The PS Audio Stellar Strata stumbles slightly with a wonky app but there is no question that it delivers a “Stellar” musical performance. Fellow former herb enthusiast, Paul McGowan, and his merry ...

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...