Iberia T-2161 tube TV
This TV came into my hands through a local online ad — I saw it at a good price and immediately thought it had to be mine. A valve (tube)…
Circuits, hardware, and classical computing.
This TV came into my hands through a local online ad — I saw it at a good price and immediately thought it had to be mine. A valve (tube)…
For a long time now, I’ve been wanting to have a tube tester—something I’ve never owned—and also a vacuum tube curve tracer, since both would be incredibly useful for me.…
After building the previous FM valve receiver, I recently constructed another one based on it—this time deviating a bit from the original design… using P-series television tubes, the kind that…
Here is my latest build: a vacuum tube FM superheterodyne receiver.This project was born out of frustration with medium wave (AM) broadcasting: the constant parasitic noise, the lack of stations,…
As a summer project, I set out to build a Mullard 5-10 type amplifier using recycled materials I had in my workshop, and thus this amplifier was born. The chassis…
This interesting amplifier was brought to me for general maintenance and a few modifications. Its owner wanted to convert the amplifier for use with guitar and bass, aiming to modify…
This small single-tube transmitter is designed to broadcast any audio source on the AM band, so that various programs can be heard on all old radios that only have the…
Here I present a push-pull amplifier circuit that uses two ECL80 tubes and is quite simple to build. It’s an interesting amplifier because it uses ECL80 tubes, which are inexpensive…
This interesting radio was given to me for repair by a teacher. She explained that it had belonged to her grandfather, and when it broke down, her mother tried to…
This small radio was brought to me for repair as a birthday gift for a friend’s parents — he wanted to give them the radio in working condition. At first…