Antique radios, Old Time Radios
3AP4
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Country:
United States of America (USA)
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| Identical to |
3AP4
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| Base |
7-Pin-Base-general, old, USA (Codex=Mo)
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| Filament |
Vf 2.5 Volts |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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3AP4: Franzis Tachenbuch 1965
Karlheinz Fischer
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