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The television receiver of the black-and-white image "Foton 31TB-408 / D" from I quarter of 1991 was produced by the Simferopol plant of TVs named after the 50th anniversary of the USSR. The TV "Photon 31TB-408 / D" (4UPT-31-10 / 9) practically does not differ from the previous model "Photon 31TB-407 / D". The new TV is designed for reception in the range of MB, and with the index "D" and in the UHF. The sensitivity in the MW range is 40 µV, in UHF - 70 µV. The resolution of 450 lines. Rated output power 0.5 watts. Power supply from the electrical network. The dimensions of the TV are 335x330x299 mm. Weight 9 kg.