R-10 (Gromkogovoritel') 1947
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The horn loudspeaker "R-10" since 1947 let out the Tula plant "Octave". ,8caa42f5a9df53968033bf99609e44f6 Horn loudspeaker `` R-10 '' (Horn, power 10 W), designed for the radioification of squares, streets and for radio broadcast movements. ,8caa42f5a9df53968033bf99609e44f6 '' R-10 '' is an electrodynamic loudspeaker, which is made in a special aluminum case, with a powerful permanent magnet. ,8caa42f5a9df53968033bf99609e44f6 The loudspeaker design ensures normal operation in conditions of temperature fluctuations from -40 ° to 50 ° Celsius and an increase in relative humidity of up to 90 percent. ,8caa42f5a9df53968033bf99609e44f6 Rated power 10 watts. ,8caa42f5a9df53968033bf99609e44f6 Maximum power, with a short overload of 15 watts. ,8caa42f5a9df53968033bf99609e44f6 Band of reproduced sound frequencies 250 ... 4000 Hz. ,8caa42f5a9df53968033bf99609e44f6 Frequency response in the reproduced frequency band of 20 dB. ,8caa42f5a9df53968033bf99609e44f6 The average value of sound pressure, measured at a distance of one meter from the mouth of the mouth, in the frequency band of 250 ... 2500 Hz, with an input power of 0.1 W, is 6 bar. ,8caa42f5a9df53968033bf99609e44f6 Loudspeaker weight 6 kg. ,8caa42f5a9df53968033bf99609e44f6 ,null,ru,null,null,null,null
Documentation:
Information from collection of Valery Khartchenko