The Berezka TV set has been produced by the Kharkov Kommunar plant since 1964.
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Since 1966 the plant has been producing TV sets "Beryozka-2", "Beryozka-2-1", "Beryozka-3".
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These unified class 2 TVs have a common electrical circuit and design, differing slightly in different release options for their scheme and design.
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The Birch TV (UNT-47) has a 47LK1B kinescope, 16 lamps and 20 p / n devices.
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Its dimensions are 490x460x330 mm.
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Weight 26 kg.
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The Beryozka-2 TV (UNT-47-I) has a 47LK2B kinescope, 17 lamps and 22 p / n devices.
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Dimensions of the model are 595x505x350 mm.
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Weight 26 kg.
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The TV set "Beryozka-2-1" is an analogue of the TV set "Beryozka-2", but it is intended for installation on the floor.
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The device also differs slightly in design.
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Dimensions of the TV with legs 595x905x350 mm.
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The Beryozka-3 TV (UNT-59-I) has a 59LK2B kinescope, 17 radio tubes and 22 semiconductor devices.
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Its dimensions are 595x500x380 mm.
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Weight 36 kg.
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All models have the same characteristics.
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Sensitivity 50 μV.
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The nominal output power of the sound channel is 1.5 W.
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Sound frequency range 100..10000 Hz.
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Power consumption 180 watts.
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