TV receiver of black and white image "Sapphire-455".
Black and white televisionsDomesticSince the beginning of 1987, the television receiver of the black-and-white image "Sapphire-455" has been produced by the Ryazan Production Association "Red Banner". The unified semiconductor-integral TV set "Sapphire-455" is designed to receive television programs in the meter (and if the SK-D-22 channel selector is installed, in the decimeter) range. The TV is equipped with an explosion-proof picture tube of the 23LK13B type with a beam deflection angle of 90 degrees. The channel selectors are controlled by the UUSK quasi-sensor device. Reception of programs is possible on the built-in telescopic and external antennas, the power supply is universal: from the alternating current network and from an autonomous source of 12 V. Main technical characteristics: Sensitivity over the image channel is 30 µV. The nominal output power of the soundtrack channel is 0.2 W. The range of reproducible sound frequencies is not more than 400 ... 3550 Hz. Power consumption from the network 28 W, from the battery 16 W. The dimensions of the TV are 220x225x230 mm. Weight - 5.5 kg. The price is 165 rubles.