Hitachi TH-621

Hitachi TH-621

Manufacturer: Hitachi, Ltd

Date: 1959

Size: 4.5 x 2.5 x 1 inches

Transistors: 6 - HJ23D, HJ22D(2), HJ15, HJ17D(2)

References: TSM-4, Collectors Guide to Transistor Radios,

Comments: To the best of my knowledge, this is Hitachi's first transistor radio. Interestingly, Sams lists the manufacturer as Electronic Utilities Co, Division of Sampson Co, Chicago, Illinois. Upon inspection though, Hitachi Ltd is all over this radio, both inside and out. Most components are of Japanese manufacture. Semiconductors are marked Hitachi.


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