Antique radios, Old Time Radios
4BF
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Country:
Spain
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| Identical to |
4BF
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| Similar
Tubes |
Normally replaceable-slightly different:
B406
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
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| Filament |
Vf 4 Volts / If 0.15 Ampere |
| Information source |
Röhren-Vademecum; P.H. Brans; Antwerpen p. 106
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 103, p.
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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4BF: rtt
Anonymous 10 Collector
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Just Qvigstad
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4BF: Castilla 1930
Anonymous 15 Collector
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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