[Usagi Electric] is breathtakingly close to having his Bendix G15 vacuum tube computer up and running. This week he is joined by a new friend, [Lloyd] who is restoring a G15 as well. [Lloyd] used ...

There are a couple of reasons I suspect it's taken this long to see a vacuum tube in a pair of headphones. Tubes are hungry ...

you might use a 25-watt light bulb as a model for the vacuum tube. Indicate that ENIAC (Electronic Numerical Integrator and Computer), built in 1946 and considered the first of the modern ...

Culminating a year-long project, [Usagi Electric] aka [David] has just wrapped up his single-bit vacuum tube computer. It is based on the Motorola MC14500 1-bit industrial controller, but since ...

Lee De Forest invented the audion, a vacuum tube device that could take a weak ... De Forest has been labeled one of the fathers of the "electronic age," since the audion helped start the ...

Sony launched the world's first non-projection, fully transistorized television, the TV8-301, in May 1960, about six years after Texas Instruments and Regency introduced the first transistor ...

Headphone brand Écoute has launched a pair of headphones with a vacuum tube and amplification built-in. The headphones are ...

Its four vacuum tubes (or valves) deliver a warm listening experience. Electronic bass and treble circuits allow for volume level adjustments of low and high frequencies in precise 1dB steps.

TELEFUNKEN is re-introducing Stereo Sets of microphones from its popular and affordable Alchemy Series of large diaphragm tube microphones. The TF29 Copperhead, TF39 Copperhead Deluxe, TF47 and TF51 ...