Radios Almaz T-7, Rubin T-7 and Rubin-2.
Portable radio receivers and radios on p / p.DomesticRadios "T-7" Almaz, "T-7" Rubin and "Rubin-2" since 1965, since 1966 and since 1967, respectively, produced the Sarapul plant named after Ordzhonikidze. The T-7 Almaz miniature radio is built on 7 transistors: A-408A, A-409A, GT-108B and an MD-3 diode. It was produced in two versions, for operation only in the LW or MW range. Rated output power 25 mW. Sensitivity in LW 10 mV / m, in SV 8 mV / m. Selectivity 14 dB. The band of reproducible sound frequencies is 700 ... 3000 Hz. Powered by 4 D-0.06 batteries connected in series-parallel. Quiescent current 15 mA. Loudspeaker 0,025GD-2. There is a socket for the TM-2M headphone. Installation is printed. Dimensions of the model 45x53x23 mm, weight 90 g. Built on the basis of the Cosmos receiver. In 1966, the "T-7" Almaz receiver was modified and changed its name to "T-7" Rubin or simply "Rubin". The first releases of the modernized receiver were still referred to as "T-7" Almaz. 16 dB and sensitivity up to 5 and 2.5 mV / m Reduced quiescent current The receiver has a jack for connecting an external antenna Receiver dimensions 45x54x24 mm Weight with power supply 90 g Price 36 rubles 92 kopecks In 1967 the receiver was modernized and changed the name to "Rubin-2." The scheme of the "Cosmos-M" receiver was taken as a basis. The last 4 photos are a comparison of the "Rubin T-7" and "Cosmos-M" receivers.
