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.

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 ...

PS Audio’s flagship 600-watt hybrid tube/solid-state monoblock power amplifier is the last to be designed in partnership with legendary audio engineer Bascom H. King. Inflation and supply chain issues ...