Glass Audio Projects: 17 Vacuum Tube Designs

This special collection of prime article projects is a clear testimony to the continuing enthusiasm, worldwide, for vacuum tube technology. Glass Audio Projects is for tube lovers with a penchant for building their own equipment. Almost everything in the world of electronic components has changed in the 40 years or so since the beginning of a shift to solid-state topologies. Capacitors are infinitely better, and resistors are quieter, much more precise, and cheaper. Almost every ancillary part in tube designs is better and cheaper today than it was when tubes began to be regarded as obsolete. In short, tubes are sounding better than they ever did. Tube enthusiasts also know that building tube equipment is, in many ways, easier and more fun than solid state. The feeling is much more “hands on” with tubes. Wiring is simpler point- to-point, and the resulting units are easier to modify or repair. It was with all these facts in mind that we made the decision to put together this really outstanding group of articles by world-class authors. Our thanks to them for their work, their passion, and their clever insights which have made all this material possible. Key Topics 300B push-pull amp 33 power amp 6528 SE amp A 6C33C-B amp A 45 SE amp Hybrid tube radio Dyna 120 circuit Woodville`s 50W amp Safe bias 70W KT88 amp 300B PSE amp