In 1939, Motorola introduced a small portable AM radio, the 41-S “Sportsman.” Just look at that. Smaller than a six pack. Quite a feat in 1939. It was not, however, the smallest–that honor goes to the Majestic model 130, a three tube set. BUT. For a conventional 4 tube superheterodyne AM receiver that used full… Continue reading A Nifty Little Radio and a Vicious Cycle
Category: Electronics
Cenco 80420 Vacuum Tube Demonstrator
As you’ve likely figured out, I am a bit of a hoarder and my areas of focus run the gamut but often involve things of a vintage, historic, or technological nature–preferably a combination of the three. As mentioned previously I not only collect, but restore, use, and learn from many of these items. ….and sometimes… Continue reading Cenco 80420 Vacuum Tube Demonstrator