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The radio tape recorder of the highest class "Leningrad-003" was developed and experimentally released in mid-1972. In 1972, the All-Union Scientific Research Institute of Radio Reception and Acoustics (VNIRPA) completed the development and production of a small batch of portable radio tape recorders Leningrad-003 by the Leningrad Plant "Radio Device". It is not known how much exactly, according to some sources, about a dozen copies. The model uses the most advanced LMC of those years, from the Vesna-305 tape recorder with a redone vertical keypress mechanism. As the basis of the model, the Leningrad-002 radio receiver was used, which was developed here at VNIIRPA back in 1971, but was not mass-produced until 1975. The radio has a separate indicator of the recording level, the meter meter tape located on the top panel of the radio. Slots for entry and exit are located on the rear wall. The speed of the magnetic tape 4.76 cm / sec. The operating frequency range on the LAN is 63 ... 10000 Hz, and through the built-in speaker system it is 80 ... 10000 Hz. Other characteristics are similar to the corresponding characteristics of the receiver. Apparently because of the differences in the classes, the tape recorder barely pulled to the second class, actually the third one, and the receiver was of the highest class, experts of the All-Union Chamber of Commerce did not approve the Leningrad-003 radio tape recorder for serial production. Ready-made radio tape recorders were sold to VNIIRPA employees and the further fate of these radio tape recorders is unknown. The radio tape recorder "Leningrad-003" depicted in the photo is the only confirmation of the development, which was published in the journal "Radio" No. 11 for 1973.