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Stereophonic dynamic phones "Amfiton TDS-17" from I-kv 1987 produced Kotovsky branch of the Chisinau computer counting machines. Miniature headphones "TDS-17" are intended for individual listening of sound programs from small-sized cassette players, cassette tape recorders, as well as from any other consumer radio equipment that has phone connectors. Nominal "frequency range - 20 ... 20000 Hz. Rated power - 0.5 mW. Rated electrical resistance of 100 ohms. The total harmonic coefficient in the frequency range 250 ... 8000 Hz is not more than 1%. The dimensions of the phones are 200x190x42 mm. Weight 60 g. Retail price of 20 rubles.