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Since 1938, the radio receiver of the network lamp type "RP-8" has been manufactured by the Leningrad plant "Radist". '' RP-8 '' is a regenerative personal use radio receiver with AC power, 110, 127 and 220 V, assembled according to the direct amplification scheme 1-V-2. Radio "RP-8" by its type and purpose is similar to models "ECL-4" and "ECL-34". The first stage of the UHF operates on the CO-148 lamp, the second (detector) on the CO-118 lamp, the third - the bass boost on the CO-118 lamp, the fourth - the output amplifier on the UO-104 lamp, the rectifier assembled on the BO-116 lamp. Receiver frequency range: Long waves 158 ... 410 kHz (1930 ... 730 m). Average waves are 475 ... 1400 kHz (630 ... 217 m). The sensitivity of the receiver with an output power of 0.1 W, on a DV is 1500 μV, with a minimum and 100 μV with maximum feedback, on a CB "” 500 μV and 40 μV, respectively. Selectivity on the adjacent channel with a detuning of 10 kHz and maximum feedback gives the attenuation of the signal of an interfering radio station by 15 ... 20 times. In the receiver, a loudspeaker with electromagnetisation is used, similar to the loudspeaker used in the EKL-34 model. The receiver "RP-8" has the ability to play gramophone records with an external pickup. The output power of the receiver is 1.5 watts. More information about the radio "RP-8" in the documentation below.