Leningrad T-1 1947
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The television receiver of the black-and-white image "T-1 Leningrad" in the fall of 1947 was produced at the Leningrad Plant. Kozitsky. TV "T-1 Leningrad" was created based on the design of the receiver "Leningrad". The TV is assembled on 21 lamps, an LK-715-A kinescope, later replaced by 18LK15, 18-mm CRT screens, image size 105x140 mm. Some models are released with 22 lamps for better synchronization. The TV is made according to the superheterodyne scheme, with the separation of signals after the converter and works only in one channel. Assembled TV on one chassis. TV sensitivity is 0.1 mV. Output power - 1.5 watts. The range of sound frequencies is 100 ... 4000 Hz. Power consumption 300 watts. Dimensions - 670x360x325 mm. Weight - 35 kg. Total TVs produced about 6 thousand pieces. Televisions were designed to receive images with a clarity of 441 lines, but with the possibility of conversion to the standard 625 lines.
Documentation:
Information from collection of Valery Khartchenko