This article is about an electronic device. For the album by M. Ward, see Transistor Radio. For the song by Benny Hill, see Transistor Radio (song).
A classic Emerson transistor radio, circa 1958
A transistor radio is a small portable radio receiver that uses transistor-based circuitry. Following the invention of the transistor in 1947—which revolutionized the field of consumer electronics by introducing small but powerful, convenient hand-held devices—the Regency TR-1 was released in 1954 becoming the first commercial transistor radio. The mass-market success of the smaller and cheaper Sony TR-63, released in 1957, led to the transistor radio becoming the most popular electronic communication device of the 1960s and 1970s. Transistor radios are still commonly used as car radios. Billions of transistor radios are estimated to have been sold worldwide between the 1950s and 2012.[citation needed]
The pocket size of transistor radios sparked a change in popular music listening habits, allowing people to listen to music anywhere they went. Beginning around 1980, however, cheap AM transistor radios were superseded initially by the boombox and the Sony Walkman, and later on by digitally-based devices with higher audio quality such as portable CD players, personal audio players, MP3 players and (eventually) by smartphones, many of which contain FM radios.[1][2] A transistor is a semiconductor device that amplifies and acts as an electronic switch.
^Petraglia, Dave (5 March 2014). "Why You Owe Your Smartphone To The Transistor Radio". Thought Catalog.
^Bray, Hiawatha (6 November 2014). "Is Your Smartphone Ready for Radio?". The Boston Globe.
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