Network tube radio '' Record-47 ''.

Tube radios.DomesticThe network tube radio "Record-47" has been produced since 1947 by the Aleksandrovskiy radio plant, and since the autumn the Berdskiy and Petropavlovskiy radiozavod im. Kirov. The Record-47 radio receiver is an upgrade of the Record receiver, model 1946 of the Aleksandrovsky Radio Plant. Like its predecessor, the radio has a combined AC and DC power supply. In terms of technical characteristics, in addition to sensitivity and different frequency converters, in terms of the construction of the circuit, the devices practically coincide. RP technical parameters: Range: DV: 150 ... 415 kHz. SV: 520 ... 1500 KHz. KV: 4.28 ... 12.1 MHz. Sensitivity on: LW: 75 ... 120 μV. SV: 60 ... 100 μV. KV: 130 ... 150 μV. Selectivity at ± 10 kHz detuning. LW: 26 dB. CB: 20 ​​dB. HF: 10 dB. Mirror Selectivity: LW: 26 dB. CB: 20 ​​dB. HF: 4 dB. Output power 0.5 W. IF: 110 KHz. Power consumption when powered from a network of 127 volts 60 watts. When powered from a network of 220 V 95 W. The weight of the device is 8 kg. The design of the first releases was slightly different from the subsequent receivers.