| In my younger days I built what is known as an ‘0V2’ valve receiver. Fueled by nostalgia for the pre-transistor era I decided to build anoth...
More about Tubes (59)
| Brian White (PhD, Stanford) is a scientist with many interests: biology, vacuum tube radios, FPGAs, and more. During the day, he works as a...
| During this period of global confinement some people are having a hard time getting through the day. Finding occupations is not always easy,...
| In the new book, The State of Hollow State Audio, Richard Honeycutt dives deep into the subject of hollow-state audio. This interview covers...
| The things likely to strike any reader or potential buyer of this book are (1) the extremely long title and (2) the term ‘Hollow State’. For...
| Vacuum fluorescent displays (VFDs) from the old tube times never fail to impress with their nostalgic charm and as a result they are often u...
| We have been living in the electronic age for well over a century now, since the invention of the triode by Lee de Forest in 1907. Roughly s...
| When Leon Theremin built his now famous musical instrument, he only had valves at his disposition. Today we have the choice between analog a...
| With a Raspberry Pi, a touch screen and “some” extra effort like developing a high-voltage power supply, writing a graphical interface, and...
| HV power supply with tube and semiconductor curve tracer controlled by a Raspberry Pi with touch display.