“FRANZIS-Röhrenradio” Radio Kit
EF184
I bought this little radio kit during a visit to Berlin, at the gift shop of the Museum of Technology (Deutsches Technikmuseum), a museum with quite interesting exhibitions and well…
Receivers
Roselson Stereoletta (Part 1)
The Roselson Stereoletta is a radio-record player cabinet manufactured in Spain during the 1960s–70s by the Roselson company, based in Barcelona. It was relatively popular at the time and was…
Building a Superheterodyne Receiver (Part 1)
A few days ago, I was given a French radio from the second half of the 1940s, with the peculiarity that it came completely disassembled—every piece separated. Faced with that…
Second Pulse Counting FM Receiver
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…
Pulse Counting FM receiver
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,…
RCA Q10
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…
Philips BE292U
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…
Philips BX580A
When I bought this radio, it was completely dead — only a dial light would dimly turn on, the tubes didn’t seem to light up, and I started to smell…
Philips B3X02A
This tabletop radio was working perfectly when I bought it. However, as it was being used, it developed some minor faults, which I fixed as they appeared. This radio has…