The Braun TS2 radio was a state-of-the art tube set in 1956. Today it still looks great, but unsurprisingly, the one that [Manuel Caldeier] has needed a little tender loving care.

The 6J1 tube is convenient, since it can run on only 6 V (or down to 3.7 as [mircemk] demonstrates). Here it is used as a mixer, with the oscillator signal injected via the screen grid.

Radios of the day were already equipped with transformers used to step up 120 volts to the typical 250 volts needed by tube radio circuits, and at the same time step 120 volts down to the 6 volts ...

The radio components themselves were not small, the average tube of the day being about 4 inches tall. Credit Early magazine radio advertisement, P. Litwinovich collection. Early 1920s loop antenna.

Q: Vacuum-tube radio repairs Sometime this year there was an article in your paper with an address to an old radio repair shop in Inglewood. The shop specialized in repairing old tube-type radios. … ...

It’s one from the “irreverent & informative” London Underground Tube Blog, and what makes it even more impressive is that it’s actually part of a working radio… It is the work, apparently, of an ...

The Franzis Tube Radio kit costs €50, or $66, plus shipping from Germany. I like it so much I just ordered one. Happy Christmas to me! Franzis Tube Radio kit [Conrad Electronics via Retro Thing] ...

Japanese designer Yuri Suzuki has created a functioning radio using Harry Beck’s famous London Underground map as a circuit board. Japanese designer Yuri Suzuki has created a functioning radio ...