Antique radios, Old Time Radios
RO4181
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Country:
France
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| Identical to |
RO4181
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| Similar
Tubes |
Normally replaceable-slightly different:
A441N
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| First Source
(s) |
Sep.1932 : L'Histoire Singulière du Tube Radio; G. Duperray 2009
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eu)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.08 Ampere |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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Just Qvigstad
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RO4181: Visseaux-Radio Datasheet
David Zeller
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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.
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| Data Compliance |
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