Antique radios, Old Time Radios
Unknown_B4-triode
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Tube type: |
Triode, vacuum |
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Identical to |
Unknown_B4-triode
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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 3.75 Volts / If 0.06 Ampere / Direct / Battery = |
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
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