Antique radios, Old Time Radios
SY-222
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Country:
United States of America (USA)
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| Identical to |
SY-222
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| Similar
Tubes |
Other base and data slightly different:
SP122
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Successor Tubes
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1929
UY224
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| Base |
UY-Base, 5 Pins (USA, April 1927)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2.5 Volts / If 1.75 Ampere / Indirect |
| Description |
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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Dimensions (WHD)
incl. pins / tip |
x 123 x 45 mm / x 4.84 x 1.77 inch |
| Weight |
48 g / 1.69 oz |
| Information source |
-- 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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