Radio-Katalog, Röhren, Halbleiter etc.
SP50B
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Land:
Grossbritannien (UK)
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| Identisch mit |
SP50B
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| Erste Quelle(n) |
Sep.1927 : Wireless World (The), London (WW, 79)
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| Sockel |
Europasockel 4-Stift B4 (Eu A, E, 4A) 1914
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| Anwender |
Radio/TV-Empfang etc. |
| Heizung |
Uf 6 Volt / Direkt / Batterieheizung = |
| Beschreibung |
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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| Literatur |
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-ge, noindex]
| Datenkonformität |
Mehr Informationen |
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