Spidola-250 1974
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Export radio "Spidola-250", "Spidola-251" and "Spidola-252" from I quarter of 1974 produced the Riga Radio Factory "VEF". Receivers are created on the basis of a unified model of UAPP-II and operate in the ranges of LW, MW, 6 sub-bands HF and VHF. From the basic radio "Speedola-207" they differ in the frequencies of the HF, VHF bands and the indicator. There are sockets for antenna, tape recorder, loudspeaker or telephone, external power supply. Loudspeaker type 1GD-48 applied. The ranges of LW, MW, KV1: 2.0 ... 5.0 MHz (60 ... 150 m), KV2: 5.0 ... 7.4 MHz (40.5 ... 60 m), KV3: 9.5 ... 9.75 MHz (31m) , КВ4: 11.7 ... 12.1 MHz (25 m). HF-5: 1 5.1 ... 17.9 MHz (19.8 ... 16.75 m) and HF-6: 21.45 ... 21.75 MHz (13 m). The VHF range of the model 250 has frequencies of 87.5 ... 108.0, models 251 - 87.5 ... 100.0, models 252 - 65.8 ... 73 MHz. IF AM - 465 kHz, FM - 10.7 MHz. The parameters correspond to the parameters of the radio receiver "VEF-Speedola-207". The tone control on the woof speed, on the HF smooth. The frequency band in the AM path is 125 ... 4000 Hz, FM - 125..10000 Hz. Rated output power 0.4 watts, maximum 0.8 watts. Receivers are powered by 6 elements of type 373. Resting current 20 mA. The receiver dimensions are 250x365x100 mm, weight without batteries is 3.2 kg.
Documentation:
Information from collection of Valery Khartchenko