Regency TR-1 1954
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The "Regency TR-1" portable transistor radio receiver has been produced since the fall of 1954 by the American company "Pocket Radio", Regency (I.D.E.A.). ,86e6f450b8cc469628ba70bf2947b049 It is considered the first transistor receiver in the world, although the Japanese company Tokyo Tsushin Kogyo, later Sony, also prepared the Sony TR-5 model for release in the fall of 1954, but it went into series only in the fall of 1955 under the name ,86e6f450b8cc469628ba70bf2947b049 "Sony TR-55". ,86e6f450b8cc469628ba70bf2947b049 "Regency TR-1" is a superheterodyne with four transistors. ,86e6f450b8cc469628ba70bf2947b049 AM range - 540 ... 1600 kHz. ,86e6f450b8cc469628ba70bf2947b049 IF - 262 kHz. ,86e6f450b8cc469628ba70bf2947b049 Power supply - 22.5 volt battery. ,86e6f450b8cc469628ba70bf2947b049 Maximum output power 100 mW. ,86e6f450b8cc469628ba70bf2947b049 The range of reproducible sound frequencies is 450 ... 2500 Hz. ,86e6f450b8cc469628ba70bf2947b049 Receiver dimensions 76x127x32 mm. ,86e6f450b8cc469628ba70bf2947b049 Weight 300 grams. ,86e6f450b8cc469628ba70bf2947b049 Due to poor selectivity in the mirror channel, noise of transistors, low volume outside the city and poor sound quality, the radio receiver was modernized several times, which led to a noticeable improvement in its consumer qualities. ,86e6f450b8cc469628ba70bf2947b049 ,null,ru,null,null,null,null
Information from collection of Valery Khartchenko