10MAS-1 1972
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The acoustic compression system 10MAS-1 has been produced since 1972 at the Riga EMZ, Tallinn Punane-RET Plant, Berdsky Radio Plant and Kiev Communist Plant. ,8caa42f5a9df53968033bf99609e44f6 Speakers are designed for high-quality reproduction of sound phonograms. ,8caa42f5a9df53968033bf99609e44f6 They were included in the set of Accord-001-stereo and Accord-101-stereo electrophones, Estonia-006 stereo radio sets, and Vega products. ,8caa42f5a9df53968033bf99609e44f6 AC - two-way, consists of a wooden enclosed building, lined with valuable wood species. ,8caa42f5a9df53968033bf99609e44f6 The front panel is covered with radio fabric. ,8caa42f5a9df53968033bf99609e44f6 Two loudspeakers 10GD-30 / E (LF) and 3GD-15M (HF) connected via an RC filter are installed in the housing. ,8caa42f5a9df53968033bf99609e44f6 AC resistance 8 Ohm. ,8caa42f5a9df53968033bf99609e44f6 Rated input power 10 watts. ,8caa42f5a9df53968033bf99609e44f6 Range of working frequencies is 80 ... 12000 Hz. ,8caa42f5a9df53968033bf99609e44f6 Dimensions AC - 428x270x230 mm. ,8caa42f5a9df53968033bf99609e44f6 Weight 8.2 kg. ,8caa42f5a9df53968033bf99609e44f6 Since 1973, some plants have begun production of the upgraded 10MAC-1M AS, where the 10GD-30 / E woofer has been replaced with 10GD-30B, and the 3GD-15M treble head has been replaced with 3GD-31. ,8caa42f5a9df53968033bf99609e44f6 The frequency range in this case expanded to 63 ... 18000 Hz. ,8caa42f5a9df53968033bf99609e44f6 The weight decreased to 7.5 kg and dimensions to 425x272x234 mm. ,8caa42f5a9df53968033bf99609e44f6 "10MAS-1M" was produced by the Berdsky Radio Plant and the Kiev factory "Communist". ,8caa42f5a9df53968033bf99609e44f6 Other enterprises also produced 10MAC-1 for a long time. ,8caa42f5a9df53968033bf99609e44f6 Since 1979, factories have been producing nuclear power plants of the 10AS-401 type, and modernization of the 10MAS-1M. ,8caa42f5a9df53968033bf99609e44f6 The heads 20GDN-1-8 and 5GDV-1-8 are used here. ,8caa42f5a9df53968033bf99609e44f6 The parameters, design, dimensions and weight remained the same. ,8caa42f5a9df53968033bf99609e44f6 Since 1979, the Kiev factory "Communist" for the tape recorder "Jupiter-203 stereo" produced AS "10AC-201" with a maximum power of 16 W and a frequency range of 70 ... 18000 Hz. ,8caa42f5a9df53968033bf99609e44f6 ,null,ru,null,null,null,null
Documentation:
Information from collection of Valery Khartchenko