Zarja 1958
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Since the fall of 1958, the networked tube radio "Zarya" was produced by the Moscow plant "Red October". Radio Zarya three-lamp 6I1P (2) and 6P14P superheterodyne designed to receive radio stations operating in the bands of LW, ST and listen to recordings from an external player. Sensitivity 400 µV. 16 dB selectivity. IF 465 kHz. The D2D diode serves as a detector and voltage source for the AGC. The final stage is covered by negative feedback. The rectifier is assembled on a half-wave autotransformer circuit on two DG-Ts27 type diodes. The dial has a 5: 1 slowdown. The switch is keyed and performs on / off switching to the DV and MW ranges and connecting an external pickup. For safety when replacing lamps and minor repairs when removing the rear wall of the receiver is disconnected from the power supply connector. The receiver uses 1GD-9 loudspeaker. ULF output power - 0.5 watts. The receiver is powered from the network with a voltage of 127 or 220 V, consuming power of 30 watts. The body of the radio is made of carbon plastic. The dimensions of the receiver are 290x208x160 mm, its mass is 4 kg. The price of the radio receiver is 28 rubles 75 kopecks after the monetary reform of 1961.
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Information from collection of Valery Khartchenko