Antique radios, Old Time Radios
IN4
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| Tube type: |
Triode, vacuum |
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| Identical to |
IN4
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928
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| Filament |
Vf 4 Volts / If 1 Ampere / Indirect |
| Description |
Hersteller: Thorn Electrical Industries Ltd., London
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| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 106
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Just Qvigstad
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line up.
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| Data Compliance |
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