Portable radio `` Telefunken 3971 '' (Famulus).
Portable radios and receivers.ForeignThe portable radio receiver "Telefunken 3971" (Famulus) was produced from 1958 to 1961 by the firm "Telefunken", Germany. 7 transistors. Ranges: LW - 145 ... 285 kHz. MW - 515 ... 1625 kHz. IF - 465 kHz. Sensitivity to a ferrite antenna in the LW range of 1.3 mV / m, MW - 0.7 mV / m. Selectivity 28 dB. Maximum output power 300 mW. Loudspeaker 9 centimeters. The range of reproducible sound frequencies is 150 ... 4500 Hz. Power supply 6 volts from 4 AA cells. Dimensions of the model 240 x 120 x 50 mm. Weight with batteries 1.2 kg.
