Catalogue de radios anciennes
SP50B
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Pays:
Royaume Uni
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| Identique à |
SP50B
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| Première source |
Sep.1927 : Wireless World (The), London (WW, 79)
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| Culot |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Utilisé par |
Radio/TV-reception etc. |
| Chauffage |
Vf 6 Volt / Direct / Battery = |
| Description |
The SP50B (or Blue coded)is one of the "shortpath" tubes developed by Metropoliton-Vickers branded Cosmos.
The SP50R (or Red coded)is of similar construction and used as a power AF amplifier.
Story of Cosmos valves see here
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| Bibliographie |
History of the British Radio Valve to 1940 p.161
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SP50B: Fin Stewart
Fin Stewart
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Just Qvigstad
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[rmxtube-fr, noindex]
| Mentions légales |
Plus d'informations |
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