Antique radios, Old Time Radios
A25
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Country:
Hungary
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| Identical to |
A25
= B405
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| First Source
(s) |
Aug.1930 : Philips Bulletin R1164, p. 34
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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
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
Taschenbuch zum Röhren-Codex 1948/49
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A25: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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