Antique radios, Old Time Radios
RH4041
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Country:
France
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| Identical to |
RH4041
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| Similar
Tubes |
Normally replaceable-slightly different:
A441
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| First year |
1929
Saga of the Vacuum Tube, Tyne page 414
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| First Source
(s) |
May.1929 : 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)
Sidecontact.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.08 Ampere / Direct / Battery = |
| Description |
According to Tyne on page 414, the RH4041 is a bigrille with a a thoriated filament for use as frequency changer, high-frequency amplifier or detector.
According to different sources the RH4041 would be similar to the A441 Philips (Tubes manufacturer equivalence table, L'Histoire singulière du tube radio par M Gérard Duperray, L'ABCDaire des lampes de TSF des jeunes années...).
Text in other
languages (may
differ)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
L'ABCDaire des lampes de TSF des jeunes années p19
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Just Qvigstad
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