Maybe it’s a hand-me-down from an elderly relative. Maybe you found it at a flea market, or it has been hidden in the attic for far too long. It could be an anonymous-looking black box with big dials ...

It was called the “Golden Age of Radio” in the 1940s and 1950s. Although thoughts recall the radio programing of the day when we hear the term, the equipment itself was also “golden,” so to speak.