![]() ![]() Some makers used five by eliminating the 2-transistor output in favor of a single device driving the speaker. Most often, shirt-pocket radios had six transistors. Then, they were marketed in every chain under every conceivable name, and who could count the explosion of importers from Japan, Korea, and Hong Kong, and finally, from the Philippines and Taiwan. Toshiba made for Penney, while Sharp made for Montgomery Ward. At first the foreign sets were sold under major U.S. ![]() Then Sony started the import wave, followed by a host of others. These sets were first sold through established American radio and TV retailers with familiar names - RCA, Zenith, Philco, Magnavox, Sylvania. By the late 1960s, there had been scores of manufacturers cranking out hundreds of brand names with total production in the millions. This chapter is about the relatively small "shirt-pocket" AM portables which made up the bulk of the transistor market. By 1959, there were dozens of manufacturers in the game, producing everything from 1-transistor (toy or experimenter) radios to the legendary Zenith Trans-Oceanic Royal 1000, a 6-band, 9-transistor portable. A few months later, Raytheon had its version in production, a larger, better sounding portable. ![]() It was a joint project of Texas Instruments and IDEA, Inc., and hit the streets late in 1954. The transistor radio story began with the development of the Regency TR-1, a 4-transistor AM-only set that would fit in a shirt pocket. They added transistors that contributed little or nothing to a radio's performance. Of Old Radios And Related Items-Published MonthlyĪs in the 1930s, when radio manufacturers boosted tube counts for marketing reasons, some manufacturers of transistor radios followed suit. Antique Radio Classified-With The Collectors Shirt Pocket Transistor RadiosĪ.R.C.-The National Publication For Buyers And Sellers ![]()
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