Antique radios, Old Time Radios
PT225
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Country:
Great Britain (UK)
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| Identical to |
PT225
= AS241
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| Similar
Tubes |
Other base:
PT225_4pin
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| First year |
1929
Wireless World (The), London (WW, 79) Tests in January 1 1930 issue
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.25 Ampere / Direct / Battery = |
| Description |
Diese Röhre gibt es auch mit 4-Stift- Europasockel (B4).
(Codex falsch erfasst!)
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| Information source |
History of the British Radio Valve to 1940 p. 147
- - Manufacturers Literature 1930
Taschenbuch zum Röhren-Codex 1948/49
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PT225: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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PT225: own collection
Peter den Boer
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9
Collection of
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