In the US, the Federal Trade Commission later put an end to transistor inflation schemes to lure consumers. One easy way to date a transistor radio to this period is to look for small triangles or circles between the 6 & 7 and the 12 & 16 on the dial. Generally, the most collectable and historic transistor radios are those made in Japan from 1956 to 1963 and America from 1955-60. Early sets were basically modified designs with extra transistors added, but later models were stripped down designs eliminating audio and IF transformers to drop costs and replacing them with recycled transistor rejects from transistor manufacturers. 1950s Transistor Radios: The Early Years. These sets were often basic 5 to 6 transistor sets with extra transistors added in parallel with a transistor or configured as a diode as a detector and bias setting. The ads often boast a high suggested price but on sale for a very low price as if the store was having a big sale. They advertise with titles taunting high transistor counts between 10 to 15 transistors. SHOWCASE: TRANSISTOR INFLATION SELLING SCHEMEĭuring rise of transistor radio manufacturing in Hong Kong and Taiwan, "transistor inflation" began, a misleading advertising ploy to sell more transistor radios! These sets were usually low end sets to be sold at discount, department, drug and grocery stores.
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