Antique radios, Old Time Radios
E52
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Country:
France
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| Identical to |
E52
= E.52_SFR
= TM15
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| First year |
1923
??
Saga of the Vacuum Tube, Tyne page 408
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Filament |
Vf 5.3 Volts / If 1.4 Ampere / Direct / Battery = |
| Description |
Small transmitting triode 5 Watt. The brand is Radiotechnique.
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Dimensions (WHD)
incl. pins / tip |
55 x 120 x mm / 2.17 x 4.72 x inch |
| Information source |
- - Manufacturers Literature 1925
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Just Qvigstad
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E52: own collection
Peter den Boer † 2025
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