Radios antiguas y Radios de Colección
T3-453
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País:
Holanda
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| Idéntica a |
T3-453
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| Válvulas similares |
Other shape (e.g. bulb type):
3-453
Multiple differences or of other kind:
C453
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| Fin producción |
Feb.1938 |
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
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| Filamento |
Vf 4 Volt / If 0.3 Ampere / Indirect / Specified voltage AC/DC |
| Descripción |
This is a Thermiode, a glass tube in a shielding of nickel-iron alloy to prevent electric or magnetic interference.
To avoid the Philips penthode patent, Thermion calls it a tetrode because the surpressor grid is connected to the grid instead of the kathode/filament. Nevertheless, this is a plug-in replacement for the C453.
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| Literatura |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature 1933
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T3-453
Peter den Boer † 2025
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Just Qvigstad
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