TDS-13-1 (Elektronika) 1987
Sorry, this page is not translated yet. Automatic translation used.
The dynamic stereo head phones "Electronics TDS", as well as "Electronics TDS-13-1" (13M, 13-2, etc.) have been produced by several factories of the country since 1987. Phones are designed for high-quality listening of phonograms. Main characteristics: Nominal frequency range 20 ... 20000 Hz. Nominal electrical resistance of 2x40 ohms. Rated power 100 mW, maximum 150 mW. Distortion does not exceed 1%. The mass of phones is 37 grams. Retail price of 20 rubles.
Documentation:
Information from collection of Valery Khartchenko