Antique radios, Old Time Radios
214A
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Country:
United States of America (USA)
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| Identical to |
214A
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| First year |
1922
Saga of the Vacuum Tube, Tyne page 291
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Successor Tubes
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1926
214D
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| Base |
Jumbo 4-pin bayonet (1918)
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 10 Volts / If 3.25 Ampere / Direct |
| Description |
Essentially the 211A with the grid omitted and reduced filament-anode spacing.
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| Information source |
Saga of the Vacuum Tube, Tyne p. 291
Tube Lore (II) p. 234-235
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Just Qvigstad
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| Data Compliance |
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