Tube network radio receiver Punane RET '' VV-662 ''.
Tube radios.DomesticSince 1950, the Punane RET "VV-662" network tube radio receiver has been produced by the Tallinn plant "Punane-RET". The radio was developed on the basis of the Punane RET `` VV-661 '' model and in the first releases did not practically differ from it in terms of appearance. Since 1951, the exterior has been slightly modified. The Punane RET '' VV-662 '' radio is a tabletop six-tube superheterodyne of the second class. Radio wave ranges DV 150 ... 410 kHz, SV 520 ... 1500 kHz, KV-1 4 ... 13.5 MHz, KV-2 13.5 ... 18.7 MHz. Intermediate frequency 465 KHz. Sensitivity in all ranges 150 ... 300 μV. Selectivity in the adjacent channel is 26 dB, in the mirror channel for DV, SV is not less than 30 dB, in the KV-1 and KV-2 subbands not less than 12 dB. The rated output power of the LF amplifier is 1.5 W. Effectively reproducible sound frequency band 100 ... 3500 Hz. Power consumption 70 watts. The dimensions of the radio receiver are 610x340x260 mm. Its weight is 16 kg.
