Radios antiguas y Radios de Colección
W446
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País:
Holanda
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| Idéntica a |
W446
= E446
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| Fin producción |
Feb.1938 |
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco)
Top contact screw type.
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| Filamento |
Vf 4 Volt / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Descripción |
The "Röhren-codex" lists this tube as a Thermion tube, but the brand is Longlife. The tube in the picture is a Longlife Superior type W446.
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| Literatura |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature 1-2-1935
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W446: rtt
Anónimo 10 Coleccionista
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Just Qvigstad
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Colección personal de
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Variantes
Most of the Longlife tubes can be found in Longlife, Longlife Superior and Longlife Perfect variants.
Hier a Longlife W446 box of Red Star Radio and a Longlife Perfect W446 tube. The dimensions of the tube are 46x143x35 mm, weight 57 gram.
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