تی آر-۵۵
Sign in to saveAlso known as Sony TR-55
The TR-55, released in 1955, was both Japan's and Sony's first commercially available transistor radio. The use of transistors allowed the device to be much smaller than earlier vacuum tube radios.
Wikidata facts
- Subclass of
- transistor radio
Show 1 more fact
- uses
- transistor
Sources (2)
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