Antique radios, Old Time Radios
3NP4
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Country:
Austria
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| Identical to |
3NP4
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
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| Filament |
Vf 4 Volts / If 0.15 Ampere |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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3NP4: rtt
Anonymous 10 Collector
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7
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