The portable radio receiver &quot;Perdio Piccadilly PR 721&quot; has been produced since 1959 by Perdio Electronics Ltd. London. Superheterodyne on 7 transistors. LW and MW bands. Countdown in meters. IF 470 kHz. Power supply 9 V. The diameter of the loudspeaker is 7.6 cm. The maximum output power is 240 mW. The range of reproducible sound frequencies is 220 ... 4000 Hz. Dimensions of the model are 170x108x45 mm. Weight with battery 600 grams.

... Non-commercial use to preserve images of equipment released by the world&#39;s radio industry in the 20th century.

Portable radio `` Perdio Piccadilly PR 721 ''.