TDS-6 1987
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Dynamic stereophonic telephones "TDS-6" since 1987 have been produced by the Kimovsk plant "Impulse". ,86e6f450b8cc469628ba70bf2947b049 Telephones are used for listening to phonograms. ,86e6f450b8cc469628ba70bf2947b049 The minimum input power is 1 mW, the passport is 100 mW. ,86e6f450b8cc469628ba70bf2947b049 The range of reproducible sound frequencies is 20 ... 20,000 Hz. ,86e6f450b8cc469628ba70bf2947b049 Input impedance 8 ohms. ,86e6f450b8cc469628ba70bf2947b049 ,null,ru,null,null,null,null
Documentation:
Information from collection of Valery Khartchenko