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.
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Speakers are designed for high-quality reproduction of sound phonograms.
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They were included in the set of Accord-001-stereo and Accord-101-stereo electrophones, Estonia-006 stereo radio sets, and Vega products.
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AC - two-way, consists of a wooden enclosed building, lined with valuable wood species.
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The front panel is covered with radio fabric.
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Two loudspeakers 10GD-30 / E (LF) and 3GD-15M (HF) connected via an RC filter are installed in the housing.
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AC resistance 8 Ohm.
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Rated input power 10 watts.
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Range of working frequencies is 80 ... 12000 Hz.
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Dimensions AC - 428x270x230 mm.
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Weight 8.2 kg.
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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.
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The frequency range in this case expanded to 63 ... 18000 Hz.
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The weight decreased to 7.5 kg and dimensions to 425x272x234 mm.
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"10MAS-1M" was produced by the Berdsky Radio Plant and the Kiev factory "Communist".
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Other enterprises also produced 10MAC-1 for a long time.
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Since 1979, factories have been producing nuclear power plants of the 10AS-401 type, and modernization of the 10MAS-1M.
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The heads 20GDN-1-8 and 5GDV-1-8 are used here.
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The parameters, design, dimensions and weight remained the same.
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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.
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