Black-and-white television receiver `` North ''.
Black and white televisionsDomesticSince the beginning of 1952, the TV "Sever" has been produced by the Moscow TV Equipment Plant. The TV is designed to receive programs transmitted in any of the first three channels, as well as local VHF-FM radio stations operating in the 66 ... 73 MHz range. Sensitivity when receiving television 1000 µV and 500 µV when receiving radio stations. Clarity 350 ... 500 lines. IF of the image channel 23 MHz, sound 16.5 MHz. The FM reception channel corresponds to GOST for class 2 radio receivers. The output power of the sound channel is 1 W. The range of reproducible sound frequencies is 100 ... 6000 Hz. The TV consumes power of 190 W when receiving television and 100 W when receiving radio stations. The TV is mounted on a metal chassis and enclosed in a polished wooden case. The dimensions of the TV are 580x380x415 mm. Weight 31 kg. The TV has 17 radio tubes and a 23LK1B kinescope. When receiving radio, 8 lamps are used, the power of the rest is turned off. The front panel contains: a loudspeaker, a scale and 4 double control knobs. Additional controls for sweep, linearity and frame size are displayed on the rear wall of the TV. There is also a mains switch with a fuse, an external antenna socket and an ULF input. There were no AGC, AFC and F, AFCG systems on the TV. The TV was produced as an experimental TV until the end of 1952.