T-35 1935
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From 1935 to 1938, the T-35 network lamp radio receiver was produced by the Tula State Union Plant No. 7 NKVS / NKPiT. Radio "T-35" is designed to work in areas with AC power supply. It is assembled on 5 lamps in a direct amplification scheme. The range of received radio waves: 200 ... 2000 meters. In the receiver, feedback control is applied, so the sensitivity and selectivity depend strongly on the position of its regulator. There is an input for switching on the adapter, an internal loudspeaker. See the documentation below for details.
Documentation:
Information from collection of Valery Khartchenko