Radios antiguas y Radios de Colección
B400
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País:
Holanda
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| Idéntica a |
B400
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| Válvulas similares |
Substituya normalmente -diferencia peq.:
W406_Marathon
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| Fin producción |
Feb.1938 |
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Filamento |
Vf 4 Volt / If 1 Ampere / Direct / Specified voltage AC/DC |
| Descripción |
Used for class B amplification. Va = 400 Volt max, Vg = 0 Volt. Plate dissipation 12 Watt max.
This tube is made as a Thermion Ultima 1936 B400 and as a Thermion Technica B400.
The Thermion Technica series is a line of power amplifiers and power rectifiers.
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| Literatura |
- - Manufacturers Literature 1-9-1935
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Just Qvigstad
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B400: own collection
Peter den Boer † 2025
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