Stereo portable radio receiver `` Leningrad-010-stereo ''.
Portable radio receivers and radios on p / p.DomesticSince 1979, the Leningrad-010-stereo stereo portable radio receiver has been produced by the Leningrad plant "Radiopribor". The radio receiver `` Leningrad-010-stereo '' is designed to receive programs of radio broadcasting stations in the DV, CB-I, CB-II, five shortwave and VHF bands. In terms of parameters, the radio receiver meets the requirements of GOST 5651-76 for high-class radio receivers, and for some of them it has a significant margin. The high sensitivity of the receiver is achieved in the LW and MW ranges by using 2 separate magnetic antennas, in the VHF range of a symmetrical dipole from two telescopic antennas, in the KB ranges they are connected in parallel and using balanced mixers of cascades on field effect transistors. High selectivity of RP is provided by a multi-circuit FSS and two piezoceramic filters. The radio has three separate groups of scales with separate knobs for tuning in each group. There is also the possibility of fixed tuning to four pre-selected stations in the VHF band and the same number of stations in the extended HF bands. Silent tuning is possible in all bands. Automatic frequency control (HF, VHF) is turned on by pressing the corresponding tuning knob, and after that, tuning with this knob becomes impossible. The receiver has light indicators for receiving stereo transmissions and multi-beam reception in the VHF range, dial indicators for fine tuning, field strength and power supply voltage. To improve the sound of mono-programs, the receiver amplifier can be switched to pseudo-stereo mode. External antennas, tape recorder, turntable, stereo phones can be connected to the radio. The speaker uses ZGD-32 broadband loudspeakers. The speakers are attached to the cabinet and can be spaced to improve the stereo effect. Powered by six A-373 elements and through the built-in power supply unit from the electrical network. Sensitivity from the inputs of external antennas, μV (with internal antennas, μV / m), in the ranges; DV - 50/800. SV - 50/500. KB - 30/50. VHF - 2.5 / 5. Radio selectivity; dB, per channels: adjacent 70, mirror and other side 50 ... 100. The range of reproducible sound frequencies, Hz, in the AM ranges with a passband: narrow 80 ... 2400, medium 80 ... 4000, wide 80 ... 6300, FM - 80 ... 12500. Maximum output power, W when powered by 2x1.5 batteries, 2x4 mains. Power consumption from the network, W, 25. Dimensions of the radio receiver with attached speakers - 430x388x150 mm. Total weight 9.5 kg. Retail price 375 rubles.
