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The television receiver of the black-and-white image Topaz from the beginning of 1961 to 1963 inclusively produced the Moscow plant of television equipment. The author of the development is Ing. V.Ya.Rotenberg. Total produced 1.115 copies. The television was prepared for release at the end of 1959. The only TV in its category "Topaz", produced on the basis of TV "Moscow", is a projection TV assembled on 29 lamps, designed to receive black-and-white programs and watch them on a 900x1200 mm screen. The TV can be used to receive radio stations in the VHF band. Sensitivity of 75 µV allows reception to an outdoor antenna up to 100 km from the studio. High-quality sound with an amplifier power up to 10 W and a reproduced frequency band of 60 ... 12000 Hz is provided by speakers from 5 loudspeakers, 2 of which (4GD-1) are mounted frontally on the front panel, and 3 others (2 types 2GD-3 and VGD- 1) medium and high frequencies intended for reproduction are installed in a special case that is mounted on the frame of the projection screen. The large screen and powerful sound make it possible to use the TV in large rooms. Installation is made in the floor design. Case from valuable breeds of a tree. An aluminum screen in a frame with dimensions of 1045x1345x70 mm with two folding supports is placed 2.5 meters from the TV. Control knobs as in the TV "Rubin-102". The installation uses a 6LK1B type kinescope with an optical-mechanical system. There is a wired remote control to control the brightness and volume. Installation weight 53, screen 17 kg. Power consumption from el. 270 watt mains with a telebridge and 100 watts with a radio reception.