Antique radios, Old Time Radios
7AP4
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Country:
United States of America (USA)
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| Identical to |
7AP4
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| Base |
UY-Base, 5 Pins (USA, April 1927) (Codex=Ho)
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| Filament |
Vf 5 Volts |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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7AP4: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
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Just Qvigstad
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