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Sony 'SRF201' VHF/FM stereo headphone radio, 1985.

Sony 'SRF201' VHF/FM stereo headphone radio, 1985.
3 4 c m
actual image size: 32cm x 26cm


This Japanese pocket radio has all the electronics needed for an FM receiver integrated into one slim chip, mounted in a case the size of a credit card and not much thicker. The chip itself occupies only a fraction of the space, most of which is used to accommodate batteries and the large tuning capacitor. In later models the capacitor was replaced by a tiny diode.

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