What was the first Soviet TV KVN

Interesting facts "USSR" What was the first Soviet TV KVN

The screen of one of the first domestic TVs - KVN-49 - had a diagonal of only 17 centimeters. TV dimensions 380 × 490 × 400 mm, weight - 29 kg. To watch it with the whole family, they had to use a lens filled with water or glycerin on special runners that slid under the TV. The power consumption of this TV was 200 watts (for comparison: in modern "more-screen" - three times less). People used to decipher the abbreviation KVN as applied to this TV set as “Bought — Turned on — Doesn't Work”.