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Since 1928, the detector radio P-8 has produced the Nizhny Novgorod Telephone Plant named after Lenin. The model was created on the basis of a serial "P-5" type radio receiver and differs from it by a narrower range of received waves (300 ... 1875 meters.) And a reworked exterior panel design. With a good antenna and grounding for high impedance telephones, loud reception of powerful (10 ... 25 kW) radio stations 500 kilometers away or more is possible. The receiver is assembled in a wooden case with dimensions of 180x140x125 mm. Model weight 980 gr. On June 7, 1934, the P-8 receiver began to produce the Voronezh Radio Plant Elektrosignal. See note in Radiofront No. 14, 1934.