"Novosibirsk Elektrosignal Radio Works" was started in October, 1941, when most part of "Voronezh Elektrosignal Works" was relocated from the city of Voronezh which was under threat of German Wehrmacht occupation. Starting from scratch, the new factory managed to send its first radios to the Red Army in December, 1941. Later "Novosibirsk Elektrosignal Radio Works" has become one of the main radio suppliers for Soviet infantry, artillery and air force. The most famous of its tactical radios was RB-M which first arrived in 1942.

In May, 1945, the factory added home entertainment radios to its military models. There were 6N-25 and 7N-27 desktop radios produced along with "Vostok", "Chaika" and "Arfa" radios with record players. In 1964, first TV sets of "Izumrud" line have arrived which were in production till 1998.