Radio Antica e Radio d'epoca
UV216A
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Stato:
USA (Stati Uniti d'America)
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| Identico a |
UV216A
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| Valvole
simili |
Sostituita normalmente - piccola diff.:
216_Rect-one-way
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| Prime serie |
Sep.1925
Saga of the Vacuum Tube, Tyne page 323
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| Sostituisce i modelli |
UV216
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Evoluzioni
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1925
UV216B
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| Zoccolo |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
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| Utilizzata per |
Radio/TV-reception etc. |
| Filamento |
Vf 7.5 Volt / If 1.25 Ampere / Direct / Specified voltage AC/DC |
| Descrizione |
Work started on this tube at the GE laboratories in the fal of 1924. The tube had a thoriated tungsten filament. It soon became evident that the tube type number was similar to the Western Electric type 216A and GE changed the number to UV216B. As it was a rectifier, GE gave it the brand name "Kenotron"
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Dimensioni
(LxAxP)
incl.pins/tip |
x 132 x 54 mm / x 5.20 x 2.13 inch |
| Peso |
69 g / 2.43 oz |
| Bibliografia |
Saga of the Vacuum Tube, Tyne p.323
Tube Lore (II) p. 30
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UV216A: own collection
Peter den Boer † 2025
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Just Qvigstad
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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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