Radiola network tube "Estonia-Stereo".

Network tube radiosDomesticSince the beginning of 1970, the Estonia-Stereo network tube radiola has been produced by the Punane-RET Tallinn plant. The block radio of the highest class `` Estonia-stereo '' consists of a 17-tube radio receiver, four-speed 16, 33, 45 and 78 rpm EPU type II-EPU-32 and two sound speakers, each of which has three loudspeakers types 6GD-2, 4GD-28 and 1GD-3. The electrical circuit of the radio is similar to the circuit of the Symphony-2K radio. Top-class radiola "Estonia-stereo" is intended for reception in the following ranges: DV, SV, KBI, KBII, KBIII, KVIV and VHF. Radiola provides reception of stereo programs of the VHF-FM range, as well as playing mono and stereo phonograph records of all formats. The sensitivity of the receiver with an internal magnetic antenna in the range of LW 1.5 mV / m, SV 1.0 mV / m. With an external antenna in the DV, CB, KB ranges of 50 μV, in the UKB-FM range - 5 μV. The band of reproducible sound frequencies in the AM path is 40 ... 6000 Hz, in the position of local reception 40 ... 7000 Hz, the FM path is 40 ... 15000 Hz. The output power of each ULF channel is 4 W. The rest of the parameters correspond to GOST for high-end radio systems. The radio is powered by e-mail. alternating current networks 127 or 220 V. Power consumption does not exceed 160 W. The dimensions of the radio receiver unit are 790x270x340 mm, the EPU unit is 450x165x330 mm, one speaker is 375x895x35 mm.