Antique radios, Old Time Radios
E.52_SFR
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Country:
France
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| Identical to |
E.52_SFR
= TM15
= E52
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Filament |
Vf 5.3 Volts / If 1.2 Ampere / Direct / Battery = |
| Description |
This tube also exists under the Radiotechnique brand, see type E52 on Radiomuseum. This is probably the same tube (civil version of the TM15) manufactured under the two brands given the links between the companies Radiotechnique and SFR.
Text in other
languages (may
differ)
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| Information source |
Saga of the Vacuum Tube, Tyne page 408
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Just Qvigstad
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Collection of
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[rmxtube-en]
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