Stereophonic telephones "TDS-1".
Headphones, headphones, headsets ...Since 1974 stereophonic telephones "TDS-1" have been produced by Lvov software named after 50th anniversary of October. Telephones "TDS-1" are designed for high-quality listening to mono and stereo phonograms from household sound reproducing equipment. Electrical resistance module 8 ... 16 Ohm. The range of reproducible sound frequencies is 40 ... 16000 Hz. Rated input power 1 mW, maximum 0.5 W. The retail price of the model is 20 rubles.
