The colorful CA-1630 is more than just a drug-store tube tester, rather, it is a precision laboratory-grade equipment to accurately measure the transconductance of a wide variety of vacuum tubes. Its vintage is late 1950s or early 1960s. The tester…
If it weren’t for the wealth of kit makers in the 50’s I doubt I would have followed my interest in radio to a life long career in electronics. One of the Heath kits I was fascinated by was their…
This Heathkit IT-28 restoration article is intended to accompany a companion piece titled A Tester Every Restorer Should Own. You'll find that article posted in the Restoration section of the website in the Restoration Tips subsection. As you may have…