Antique radios, Old Time Radios
M40
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Country:
France
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| Identical to |
M40
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| Similar
Tubes |
Normally replaceable-slightly different:
A441N
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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 0.07 Ampere / Direct / Battery = |
| Description |
Oscillator. Anode 30-50 Volt
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| Information source |
Röhren-Vademecum; P.H. Brans; Antwerpen p. 51
- - Manufacturers Literature
Taschenbuch zum Röhren-Codex 1948/49
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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Just Qvigstad
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M40: own collection
Peter den Boer
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