Antique radios, Old Time Radios
B440
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Country:
France
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| Identical to |
B440
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| Similar
Tubes |
Normally replaceable-slightly different:
506
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Direct |
| Information source |
Röhren-Vademecum; P.H. Brans; Antwerpen p. 14
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 23, p. 21
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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B440: Fin Stewart
Fin Stewart
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Just Qvigstad
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