Network tube radio receiver "Zarya".

Tube radios.DomesticSince the fall of 1958, the "Zarya" network tube radio has been produced by the Moscow plant "Krasny Oktyabr". The Zarya radio receiver is a three-lamp 6I1P (2) and 6P14P superheterodyne designed for receiving radio stations operating in the DV, SV bands and listening to a record from an external player. Sensitivity 400 μV. Selectivity 16 dB. IF 465 kHz. A D2D diode serves as a detector and source of AGC voltage. The final stage is engulfed in negative feedback. The rectifier is assembled according to an autotransformer half-wave circuit on two diodes of the DG-Ts27 type. The tuning knob has a 5: 1 deceleration. The switch is key and carries out switching on - off, switching to the LW, MW ranges and connecting an external pickup. For safety when replacing lamps and minor repairs, when removing the rear wall of the receiver, the supply voltage plug is disconnected. The receiver uses a 1GD-9 loudspeaker. The output power of the ULF is 0.5 W. The receiver is powered by a network with a voltage of 127 or 220 V, consuming a power of 30 W. The radio housing is made of carbon plastic. The dimensions of the receiver are 290x208x160 mm, its weight is 4 kg. The price of a radio set is 28 rubles 75 kopecks after the 1961 monetary reform.