Restoring a vintage radio receiver has the potential to be a fun weekend project, but it pays to know what you’re up against. Especially in the case of vacuum tube electronics, running down ...

It’s been a long time since vacuum tubes were cutting-edge technology ... To wit, we present this compact two-tube “spy radio” transmitter. From the look around his shack — which we ...

Getting that single directional flow was critical for radio sets which needed to turn alternating current into direct current. The vacuum tube didn't reach its full maturity until Lee De Forest ...

Sony launched the world's first non-projection, fully transistorized television, the TV8-301, in May 1960, about six years ...

Lee De Forest invented the audion, a vacuum tube device that could take a weak electrical signal and amplify it into a larger one. The audion helped AT&T set up coast-to-coast phone service ...

The Fargo Air Museum hosts Dr. Gerald Parker as guest speaker for History Night Tuesday, February 11, 2025. His discovery of ...

Headphone brand Écoute has launched a pair of headphones with a vacuum tube and amplification built-in. The headphones are £652 / $799 / AU$1,303. When it comes to listening on the best ...