Antique radios, Old Time Radios
CV409
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Country:
Great Britain (UK)
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| Identical to |
CV409
= A1820
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| Base |
Loctal-8, B8G (Sylvania, 1938)
Top contact with a cap.
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| Filament |
Vf 6.3 Volts / If 0.95 Ampere / Indirect / Specified voltage AC/DC |
| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 216
-- Original-techn. papers.
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Just Qvigstad
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CV409: Manufacturer's Literature
Emilio Ciardiello
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