Tube network radio receiver Punane-RET '' VV-661 ''.

Tube radios.DomesticSince 1947, the Punane-RET "VV-661" network tube radio receiver has been produced by the Punane-RET Tallinn plant of the Estonian SSR. The Punane-RET "VV-661" radio is a class 2 six-lamp superheterodyne. Ranges DV 150 ... 410 kHz, SV 520 ... 1500 kHz, KV 6 ... 18.7 MHz. IF 465 KHz. Sensitivity for LW, SV ranges of 150 µV, KV - 300 µV. Selectivity on the adjacent channel 26 dB, mirror on DV and MW 30 dB, on HF - 12 dB. Rated output power 1.5 W. The band of reproducible sound frequencies is 100 ... 3500 Hz. Power consumption 70 watts. Dimensions 610x340x260 mm. Weight 16 kg. During the period 1947 ... 1948, 5000 Punane-RET "VV-661" receivers were produced.