Category Archives: Projects

Old Radio Detective Work

Posted on March 25, 2011 by jwk

I’m still working on my 1941 Stromberg-Carlson 520-PG and am running into a few new problems I’ve never come across before. Back in the era of tube radios, everything was serviceable on a component level and most people had enough aptitude and … Continue reading →

Posted in Projects, Radios and Tubes | Tagged , , , | 3 Comments

Project Idea: Digital Vacuum Tube Tester

Posted on February 15, 2011 by jwk

I’m in the early stages of brainstorming another project idea that will combine vacuum tubes with modern microelectronics in a useful and innovative way: a computerized vacuum tube tester. Tube testers themselves aren’t very complicated devices – the simple ones, … Continue reading →

Posted in Electronics, Projects, Radios and Tubes | Tagged , , , , , , , | 2 Comments

Repairing a Vintage Radio (Coronado 907)

Posted on January 13, 2011 by jwk

This is my first project, a 1940 Coronado model 907. This was originally a “high end low end” receiver: it only receives the AM broadcast band, but has three tone settings and mechanical push-button presets. It also uses 7 tubes … Continue reading →

Posted in Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , | 1 Comment