Some of the most popular and sought-after models of tube testers today for antique radio and vintage audio service are military surplus. Popular models of military tube testers for use today were ...

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, ...

Marked: "DAYRAD Tube Checker / Mfd. by the Radio Products Co., Dayton, Ohio. / Licensed Under Weston Patent 1704566 Type B". Includes leather carrying strap. Tube tester designed for A.C. plug in ...

There’s still a mystique around vacuum tubes long after they were rendered obsolete by solid state devices, and many continue to experiment with them. They can be bought new, but most of us still come ...