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.
VINTAGE 1961 SONY TRANSISTOR RADIO PORTABLE
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. 1961 SONY TR-730 - IT BELONGS 1960 MALLORY BATTERIES - LOTS OF PORTABLE RADIOS 1959 SONY TR-610 - THREE ADVERTISEMENTS Featuring a variety of innovative ads aimed at young and old. 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. This Sony model was the first transistor radio from. 1961 Sony Brochure : of 1 17 posts Previous topic Next topic : Author Message Dave J. They advertise with titles taunting high transistor counts between 10 to 15 transistors. The photo of radios arranged diagonally shows knockoffs of the Sony TR-610 transistor radio from 1958. Antique Radio Forums Index » Category » Vintage Transistor Radio Discussions. 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. Vintage Sony Automatic Watch Transistor Radio, Model TRW-621, AM Band, 6 Transistors, 7-Jewel Watch, Made in Japan, Circa 1961 Vintage Sony Model STA-110.
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