Radiola network lamp "Estonia-4".

Network tube radiosDomesticSince 1966, the "Estonia-4" network tube radiola has been produced by the Tallinn plant "Punane RET". The top class radio tape recorder "Estonia-4" was created on the basis of the "Estonia-3M" model. The new radio tape recorder has some fundamental and design differences, which can be read about in the above description, the basic construction of the electrical circuit and the radio tape parameters are the same. The export radio was produced under the name “Estonia-4E” (European version), the models differed in wavelengths. Number of ranges - 8. Sensitivity in the ranges DV, SV and KV - 50 µV, on VHF - 5 µV. Selectivity on the adjacent channel in AM - 60 dB, FM - 40 dB. IF in AM - 465 kHz, FM - 8.4 MHz. The band of reproducible frequencies is 60 ... 15000 Hz. The number of radio tubes in the radio is 12. The output rated power of the low-frequency amplifier is 6 W, the maximum is 9 W. Power consumption when receiving 95 W, when listening to a record 105 W. Dimensions of the radio "Estonia-4" - 915x316x362 mm, AC ~ 915x350x400 mm. The total weight of the radio with the speaker is 60.9 kg.