I fondly remember my Transistor radio from my childhood...
Using transistor-based circuitry, the transistor radio is a small
portable radio receiver, invented in 1947. The first transistor
radio (the Regency TR-1) was developed
by Texas Instruments from Dallas and Industrial Development Engineering
Associates from Indianapolis, Indiana…at a staggering cost of US$49.95
(equivalent to US$456 today). Besides this price, over 150,000 units were
sold.
In August 1955 the first transistor radio was manufactured in
Japan and the new brand name “SONY” was
given to its first product namely the Sony TR-55.
Needless to say that this radio was extremely popular – especially under
the teens of the time.
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