Portable transistor radio `` Onyx-401 ''.
Portable radio receivers and radios on p / p.DomesticSince 1973, the Onyx-401 portable transistor radio receiver has been producing the Kamensk-Uralsky PSZ. Onyx is Greek for `` nail ''. According to the electrical diagram, the Onyx-401 radio receiver coincides with the Neiva-401, Neiva-402 and Signal-601 serial radio receivers. The Onyx-401 radio receiver differs from them in the design of the case and control elements, which have their own design of the scale vernier device. For all the main technical characteristics, such as sensitivity, selectivity, output power and others, the listed radio receivers are identical.
