Radios antiguas y Radios de Colección
BW1304
País:
Gran Bretaña (GB)
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Idéntica a |
BW1304
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Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
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Usada en |
Radio/TV-reception etc. |
Filamento |
Vf 2 Volt / If 0.2 Ampere / Direct / Battery = |
Descripción |
Babani gives the heater current as 0.1A not 0.2 (Röhren-Codex). Tube used as class A amplifier
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Literatura |
L'ABCDaire des lampes de TSF des jeunes années p. 77
Babani, International Radio Tube Encyclopaedia p. 54 & 55
Taschenbuch zum Röhren-Codex 1948/49
British Radio Valves - The Classic Years: 1926-1946
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BW1304: Fin Stewart
Fin Stewart
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Just Qvigstad
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Contribuciones en el Foro acerca de este válvula
BW1304
Hilos: 2 | Mensajes: 2
Entradas: 2240 Réplicas: 0
BW1304 (BW1304)
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Peter den Boer † 2025
05.Apr.11
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1
The brand is changed into Common production France because this tube is sold under the Mazda, Metal, Cyrnos and Eta brand.
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Entradas: 2349 Réplicas: 0
BW1304 (BW1304)
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Peter den Boer † 2025
04.Mar.11
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1
The ETA brand, from 1931 on.
The Electrical Trading Association Ltd
Aldwych House, Aldwych,
London WC2
This company imported Mètal/Mazda (French) tubes but used there own ETA brand, but the type numbering is from Mètal/Mazda. The UNIS FRANCE logo on tubes and boxes proves that they are really made in France.

Datasheet atteched.
Anexos
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BW1304
Fin de las contribuciones al foro de válvula
[rmxtube-en]
Cumplimiento de datos |
Más información |
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