Antique radios, Old Time Radios
UY221
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| Tube type: |
Triode, vacuum |
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| Identical to |
UY221
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| First Source
(s) |
Jun.1929 : Radio Retailing (Radio & Television R.)
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| Base |
UY-Base, 5 Pins (USA, April 1927)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Indirect |
| Description |
With renewable heating unit.
Text in other
languages (may
differ)
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Just Qvigstad
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UY221: Internet
Peter Kahlich
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Collection of
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You reach this tube or valve page from a search
after clicking the "tubes" tab or by clicking a tube
on a radio model page. You will find thousands
of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
[rmxtube-en]
| Data Compliance |
More Information |
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