Tube network radio receiver "TESD-2".
Tube radios.DomesticSince the beginning of 1934, the TESD-2 network tube radio receiver has been produced by the Tula plant No. 7 N.K.S. The TESD-2 radio receiver is designed to receive broadcasting stations operating in the wavelength range from 200 to 2000 meters. The receiver operates on a 110, 120 or 220 volt alternating current network. The receiver is assembled according to the 1-V-2 direct amplification scheme: one high-frequency amplification stage on the SO-124 lamp; detector on the SO-118 lamp and two stages of low-frequency amplification on the SO-118 and UO-104 lamps. The rectifier is assembled according to the full-wave rectification scheme on a VO-116 lamp.
