Antique radios, Old Time Radios
F707
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Country:
Netherlands
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| Identical to |
F707
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 7.5 Volts / If 1.25 Ampere / Direct / Specified voltage AC/DC |
| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 138
Babani, International Radio Tube Encyclopaedia
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Just Qvigstad
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F707: Babani
Jacob Roschy
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| Data Compliance |
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