Radiola network lamp &quot;Serenada&quot; since 1963 was produced by the Vladivostok plant &quot;Radiopribor&quot;. The tabletop radio of the 4th class &quot;Serenade&quot; is a superheterodyne radio receiver operating in the DV, SV bands, combined with an EPU-5 electro-playing device. In 1965, 3-EPU-28 was installed, and even later 3-EPU-28M. The radiola is assembled on three radio tubes 6I1P (2 pcs) and 6P14P as well as 5 diodes D2D (1 pc) and D7G (4 pcs). The sensitivity of the radio in both ranges from the antenna input is not less than 300 µV. Adjacent channel selectivity 20 dB. Selectivity on image channels 24 dB. Rated output power 0.5, maximum 1 W. The frequency range reproduced by the loudspeaker 1GD-10, later 1GD-18, even later 1GD-28 - 200 ... 3000 Hz with radio reception and 200 ... 6300 when the EPU is operating. The radiola consumes 50 watts when playing records, and 35 watts when receiving. Model dimensions 420x275x240 mm, weight 10 kg. Radiola &quot;Serenada&quot; was produced until 1973.

... Exhibits by Zenonas Langaitis, Kaunas and V.P. Samsonov (V.Kolesnik), Serpukhov.

Radiola network lamp "Serenade".