Radio Antica e Radio d'epoca
SY-222
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Stato:
USA (Stati Uniti d'America)
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| Identico a |
SY-222
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| Valvole
simili |
Other base and data slightly different:
SP122
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Evoluzioni
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1929
UY224
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| Zoccolo |
UY-Base, 5 Pins (USA, April 1927)
Top contact with a cap.
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| Utilizzata per |
Radio/TV-reception etc. |
| Filamento |
Vf 2.5 Volt / If 1.75 Ampere / Indirect |
| Descrizione |
The 222 (AC) was marketed by several manufacturers, mainly Sylvania. It was a combination of the UX222 and UY227. It had a relatively short commercial life and was rplaced by the UY224.
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Dimensioni
(LxAxP)
incl.pins/tip |
x 123 x 45 mm / x 4.84 x 1.77 inch |
| Peso |
48 g / 1.69 oz |
| Bibliografia |
-- Collector info (Sammler)
Tube Lore (II) p. 26
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SY-222: Fin Stewart
Fin Stewart
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Just Qvigstad
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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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