Antique radios, Old Time Radios
A4BF
Country:
Spain
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Identical to |
A4BF
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Similar
Tubes |
Normally replaceable-slightly different:
B405
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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 0.15 Ampere / Direct |
Information source |
Röhren-Vademecum; P.H. Brans; Antwerpen p. 10
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 103, p. 138
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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A4BF: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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A4BF: MB
Ernst Erb
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