Restoring a vintage radio receiver has the potential to be a fun weekend project, but it pays to know what you’re up against. Especially in the case of vacuum tube electronics, running down gremlins ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a Collins oscillator radio ...

Software Defined Radio (SDR) is the big thing these days, and why not? A single computer can get rid of a room full of boat anchors, and give you better signal discrimination than all but the best kit ...

The film discusses the crucial role of vacuum tubes in radio broadcasting, detailing the various jobs involved in the industry, from production and scriptwriting to technical maintenance and ...

In August we ran a few photos of Steve Johnson’s excellent collection of radios. This month, we’re tuning in on his tube testers. All information courtesy of Steve’s website. Confidence Special First, ...

Joe Sousa, the analog aficionado that runs the Philbrick Archive sent me a neat design for a super-heterodyne radio receiver using tubes. When I hear “tubes” I think “high voltage.” That’s the cool ...