Antique radios, Old Time Radios
APP4E
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Country:
Hungary
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| Identical to |
APP4E
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| Similar
Tubes |
Other base:
AL5
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| Base |
British-7-Pin, old (M7A) (Codex=Ndo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 2 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Babani indicates two versions. With and without g3 connected separately to pin 1.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia
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APP4E: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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