Uploaded February 2024 | Updated September 2026, 2 weeks ago

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When it comes to historic Sony devices the Walkman gets all the attention, but the TR-55 has to be the most important device in the company’s history. It sparked a revolution in radio, and gave the company the financial clout to come up with Trinitron, the Walkman of course, the 3½” floppy, MiniDisc, the PlayStation, Blu-ray and Betamax. Some of them were of course more successful than others! So, just why was the TR-55 such a revolution?

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Sources:
en.wikipedia.org/wiki/History_of_Sony
en.wikipedia.org/wiki/History_of_radio
en.wikipedia.org/wiki/Transistor
en.wikipedia.org/wiki/TR-55
en.wikipedia.org/wiki/Regency_TR-1
en.wikipedia.org/wiki/Crystal_radio
en.wikipedia.org/wiki/Transistor_radio
web.archive.org/web/20060820121345/http://www.americanheritage.com/articles/magazine/it/2004/2/2004_2_12.shtml
en.wikipedia.org/wiki/Texas_Instruments
web.archive.org/web/20130108223259/http://www.japantimes.co.jp/text/nn20120522i1.html
sony.com/en/SonyInfo/CorporateInfo/History/SonyHistory/1-05.html
sony.com/en/SonyInfo/CorporateInfo/History/SonyHistory/1-06.html

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