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A classic Emerson transistor radio, circa 1958. A transistor radio is a small portable radio receiver that uses transistor-based circuitry.Previous portable radios used vacuum tubes, which were bulky, fragile, had a limited lifetime, consumed excessive power and required large heavy batteries.
Their first product was a vacuum tube radio released in 1955, [3] [4] and their first transistor radio was the KR-6TS-1 radio released in the spring of 1957 [5] [6] at the price of 14,000 yen. [7] Through the 1960s, Koyo had manufactured and sold millions of portable transistor radios, particularly, their best-selling model KTR-624 had been ...
Below is a table of online music databases that are largely free of charge. Many of the sites provide a specialized service or focus on a particular music genre . Some of these operate as an online music store or purchase referral service in some capacity.
The RCA model R7 Superette superheterodyne table radio. This is a list of notable radios, which encompasses specific models and brands of radio transmitters, receivers and transceivers, both actively manufactured and defunct, including receivers, two-way radios, citizens band radios, shortwave radios, ham radios, scanners, weather radios and airband and marine VHF radios.
Billboard Hot 100 & Best Sellers in Stores number-one singles by decade Before August 1958 1940–1949 1950–1958 After August 1958 1958–1969 1970–1979 1980–1989 1990–1999 2000–2009 2010–2019 2020–2029 US Singles Chart Billboard magazine The Billboard Hot 100 chart is the main song chart of the American music industry and is updated every week by the Billboard magazine. During ...
Another first for portable radios was the unique dial scale used in the 1000 and later series of Trans-Oceanics. The 1000 was designed with a cylinder dial scale that would rotate with the band switch allowing only that particular band scale to show. [9] Zenith Royal 1000 All Transistor Trans-Oceanic Short Wave Portable Radio, circa 1957.
Classic hits is a radio format which generally includes songs from the top 40 music charts from the late 1960s to the early 2000s, with music from the 1980s serving as the core of the format. Music that was popularized by MTV [ 1 ] in the early 1980s and the nostalgia behind it [ 2 ] is a major driver to the format.
Easy listening (including mood music [5]) is a popular music genre [6] [7] [8] and radio format that was most popular during the 1950s to the 1970s. [9] It is related to middle of the road (MOR) music [ 1 ] and encompasses instrumental recordings of standards , hit songs , non- rock vocals and instrumental covers of selected popular rock songs.