Portable radios '' Spidola-230 '' and '' Spidola-230-1 ''.

Portable radio receivers and radios on p / p.DomesticPortable radios "Spidola-230" and "Spidola-230-1" have been produced by the Riga radio factory "VEF" since 1973 and 1975. The 2nd class radios '' Spidola-230 '' and '' Spidola-230-1 '' are intended for reception in the DV, SV and 5 HF sub-bands. They have a built-in magnetic antenna, and in the HF range, a telescopic whip, smooth tone control in HF and stepped to two positions in LF, a tuning indicator, scale illumination, external antenna and ground sockets, tape recorder, headphone, loudspeaker and external power supply. The `` Spidola-230-1 '' receiver produced since 1975, except for the name, does not differ from the `` Spidola-230 '' model. Sensitivity with a magnetic antenna in the ranges DV - 1.5, SV - 0.8 mV / m, with a pin in the KB sub-ranges - 200 μV. With an external antenna in DV - 300, SV and KB - 200 μV. Selectivity in the ranges DV, MW - 34 dB. IF - 465 kHz. AGC action: when the signal at the input changes by 30 dB, the voltage at the output changes by 10 dB. The frequency range is 125 ... 4000 Hz. Rated output power 0.4 W. Power supply from 6 elements 373. Dimensions of the radio receiver - 365x250x100 mm. Weight 3.2 kg.