Antique radios, Old Time Radios
P440N
| Base |
Europe 5-Pin , B5 + side contact (Codex=Fdo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1.1 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Laut Triotron-Liste wurde diese Röhre auch mit der Anode an der Seitenschraube hergestellt, was sehr wahrscheinlich fehlerhaft ist.
|
| Information source |
Babani, International Radio Tube Encyclopaedia p. 126 & 127
- - Manufacturers Literature 1935
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
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| Tube Tester Data |
Avo CT160 |
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P440N: Telefunken Werkstattbuch
Anonymous 15 Collector
More ...
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Just Qvigstad
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P440N: own collection
Peter den Boer † 2025
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
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