First Transistor Radio Goes on Sale

By Marcel Brown |

Regency TR-1November 1, 1954

The Industrial Development Engineering Associates company begins selling the Regency TR-1, the world’s first commercial transistor radio. Texas Instruments designed and developed the transistor technology who then partnered with IDEA to design and manufacturer the completed radio. The TR-1 sold over 100,000 units, ushering in the commercial transistor industry.

Posted in Miscellaneous Technology