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The children's transistor electronic device "Electronika" from I quarter of 1975 was produced by the Pskov Radio Components Plant. Children's electronic toy "Electronics" - is designed to play records with a diameter of up to 25 cm, at a speed of 33 rpm. The speed is adjustable from 30 to 35 rpm (if desired, by modifying the EF, it is possible to realize speeds of 45 and 78 rpm). It is recommended to play records with speech phonograms due to detonation when playing music phonograms. The model is powered from two KBSL-05 batteries or, depending on the version of the microphone, from 6 343 cells with a total voltage of 9 V. In some embodiments, there was a connector (crown type) of an external power supply with a voltage of 6 to 10 V (many mistakenly connected a battery "Krona". The electric phone has a nominal output power of 100 mW with a SOI of 7%, a maximum of 150 mW with a SOI of 10%. The operating frequency range is 200 ... 4000 Hz. Until 1983, the circuit was assembled on germanium transistors, then silicon and a microchip. Price EF depending on the option of 18 or 25 p.