Amplifier preliminary studio `` UPS ''.
Amplifying and broadcasting equipmentSince 1932, the preliminary studio amplifier "UPS" was planned for release by the hardware plant named after Comrade Kazitsky. The amplifier "UPS" for 1932 was the best pre-amplifier, not inferior in sound quality to the best world samples. The amplifier is designed to work on large broadcasting sites, broadcasting radio stations, theaters. Simultaneous operation of the amplifier from two microphones is possible.