Since the beginning of 1981, the TV receiver for b / w images "Sapphire-401" has been produced by the Ryazan plant "Krasnoe Znamya".
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The small-sized unified semiconductor-integral TV set "Sapphire-401" is designed to receive television programs in the MV range.
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The TV operates from the mains or from a 12 V current source. High-quality image and sound are provided by the AFC and F systems, AGC, and a stabilized rectifier.
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The TV has a retractable telescopic antenna.
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It is possible to install a channel selector for receiving broadcasts in the UHF range.
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Headphones can be connected to the TV.
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The TV has an explosion-proof picture tube 23LK13B.
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The case is made of impact-resistant various colors - polystyrene.
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Specifications: Image size 140x183 mm.
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TV sensitivity - 55 μV.
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The frequency range is 400 ... 3500 Hz.
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The nominal output power of the sound channel is 100 mW.
,86e6f450b8cc469628ba70bf2947b049
Dimensions 338x233.5x212 mm.
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Weight 4.5 kg.
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The retail price of the TV is 200 rubles.
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Since 1982, the plant has been producing the Sapphire-401-1 TV set, which, apart from a slight change in the external design and a price of 165 rubles, did not differ from the base one.
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Since 1985, the TV "Sapphire-401-1" has been "modernized" and has been produced practically unchanged under the name "Sapphire-401M".
,86e6f450b8cc469628ba70bf2947b049
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