Antique radios, Old Time Radios
A-331
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Country:
United States of America (USA)
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| Identical to |
A-331
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| Similar
Tubes |
Normally replaceable-slightly different:
805
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| Base |
Jumbo 4-pin bayonet (1918)
Top contact with a cap.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 10 Volts / If 2.5 Ampere / Direct |
Dimensions (WHD)
incl. pins / tip |
x 162 x 47 mm / x 6.38 x 1.85 inch |
| Information source |
-- Collector info (Sammler)
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 370, p. 844
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A-331: Fin Stewart
Fin Stewart
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Just Qvigstad
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