Radioconstructor '' Display unit ''.
Radio and electrical constructors, sets.IndicatorsThe radio designer "Indication Unit" has been produced presumably since 1990. There is no certainty that this is a factory RK, possibly a cooperative one. Since the 90s, who has not just released. RK is intended for assembling a playback (recording) level indication unit for tape recorders, as well as amplifiers and other household equipment.
