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Since 1956, the net radio "Sadko" has produced the Moscow Radio Plant "Red October". The Sadko power tube receiver was designed to be promising for mass production. The receiver was among the first models that used finger radio tubes. The radio receiver is a second-class seven-lamp superheterodyne operating in the ranges: DV - 2000 ... 723 m, SV - 577 ... 187 m, KV, two subranges 76 ... 39 m and 39 ... 24.8 m and VHF-FM range 4,66 ... 4,11 m. The radio receiver has separate tone control on LF and HF, AGC system. VHF-FM radio stations are received on the internal dipole antenna. The speaker has four loudspeakers; two broadband and two high-frequency. Nominal output power of the LF amplifier 2 watts. The range of reproducible sound frequencies with AM radio reception and pressing the "MP" key is 80 ... 8000 Hz, while radio reception in the VHF-FM band, the sound frequency band is 80 ... 12000 Hz. The receiver is powered by the electrical network. Power consumption of about 60 watts. Receiver dimensions 615x340x290 mm, weight 18 kg. For unknown reasons, only about one thousand receivers were released.