Antique radios, Old Time Radios
AS4125
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc)
Top contact screw type.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1.2 Ampere / Indirect |
| Description |
Tungsram-Regel-Tetrode. Geregelte AS4120.
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| Information source |
History of the British Radio Valve to 1940 p. 151
Babani, International Radio Tube Encyclopaedia p. 52 & 53
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
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AS4125: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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AS4125: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
Collection of
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