Antique radios, Old Time Radios
311H
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Country:
United States of America (USA)
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| Identical to |
311H
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| Similar
Tubes |
Normally replaceable-slightly different:
211H
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| Base |
Top contact with a cap.
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| Filament |
Vf 10 Volts / If 3.2 Ampere / Direct |
| Description |
Convection cooled 100 Watt max anode dissipation; thoriated-tungsten filament. 4-pin bayonet jumbo base. Mu 12. Similar to 211C with anode to the top cap.
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| Weight |
227 g / 8.01 oz |
| Information source |
Tube Lore (I)
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311H: ARRL Handbook 1972
Anonymous 10 Collector
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