Tag Archives: project

Neat Little 60FX5 Stereo Single-Ended Tube Amplifier

While digging around, I came across a really simple circuit in the RCA Receiving Tube Manual describing a 1WPC stereo amplifier using only two tubes, the 60FX5 power pentodes, and a single silicon diode. The 60FX5s have high enough gain … Continue reading

Posted in Audio, DIY, Projects, Stereo | Tagged , , , , , | 2 Comments

Magic Eye Tube Spectrum Analyzer

French hobbyist Sylvain came up with a fascinating project using 8 Magic Eye tubes from old equipment to make an audio spectrum analyzer. I’ve worked with magic eye tubes quite a few times, they’re very fascinating. Originally precursors to CRTs, they’ve found … Continue reading

Posted in Commentary, Electronics, Gadgets, Projects | Tagged , , , , , , | 1 Comment

1937 Grunow 588 Radio Repair

I finally had a free day with no major commitments and was able to finally get some work done on my projects – it’s been a productive day. I picked up this nice example of a Grunow 588 “Teledial” radio … Continue reading

Posted in Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , , , , , | 6 Comments

Antique Car Radio Repair: the 1951 Firestone 4-B-31 “Roamer” Vibrator Radio

A local friend is building a rat rod out of 1920s-1950s parts, a custom collection that ultimately will turn into a very fast car powered by a huge V8. He found a vintage car radio to go with it, the … Continue reading

Posted in Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , | 6 Comments

YAMR [Yet Another Monitor Repair] ViewSonic VP191b

A little while ago, I picked up a set of seven LCD monitors in various states of not working  to work on repairing and maybe eventually reselling. The first one was quite easy – it just needed a wire reconnected … Continue reading

Posted in Electronics, Photos, Projects | Tagged , , , , , , , , , , | 2 Comments