Feliks Audio is one of the few boutique brands from Poland making serious noise in the Head-Fi scene. They specialize in ...

The Dynaco ST-70 is one of the most popular tube amplifiers ever. First released in 1959, it's still sought after by hi-fi enthusiasts today.

If you're looking for some genuine diamonds among the Prime Day deals, Astell&Kern has just the thing for the discerning ...

The Burson Conductor GT4 is a $3K audio sledgehammer—insanely powerful, deadly neutral, and hot enough to fry eggs.

This paper deals with the design and the static and dynamic behavior of a new, high-efficiency traveling-wave amplifier tube. The preliminary experimental models of, the tube whose characteristics are ...

Design issues of a sub-THz traveling wave tube amplifier with a sheet electron beam double-vane slow-wave structure are discussed. Results of calculation of dispersion and coupling impedance of the ...