Antique radios, Old Time Radios
211_special
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Country:
United States of America (USA)
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| Identical to |
211_special
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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 / Specified voltage AC/DC |
| Description |
This tube was designed for use with low grid currents. It was RCA radiomarine transmitters until replaced by the 4C21. It was withdrawn from use in 1946.
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Dimensions (WHD)
incl. pins / tip |
58 x 21 x 47 mm / 2.28 x 0.83 x 1.85 inch |
| Information source |
Tube Lore (II) Page 30
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Just Qvigstad
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after clicking the "tubes" tab or by clicking a tube
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| Data Compliance |
More Information |
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