Antique radios, Old Time Radios
A4D
Country:
Spain
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Identical to |
A4D
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Similar
Tubes |
Normally replaceable-slightly different:
E415
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Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
Information source |
Röhren-Vademecum; P.H. Brans; Antwerpen p. 10
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 99, p.
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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A4D: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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