Antique radios, Old Time Radios
Wecovalve_red_B4
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Country:
Great Britain (UK)
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| Identical to |
Wecovalve_red_B4
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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 0.8 Volts / If 0.25 Ampere / Direct / Battery = |
| Description |
This tube is a radio frequency amplifier type and has a red spot on the glass near the base. Anode voltage 30 - 60, grid voltage -3 to -5.
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Dimensions (WHD)
incl. pins / tip |
x 95 x 28 mm / x 3.74 x 1.10 inch |
| Information source |
British Radio Valves - The Vintage Years: 1904-1925 Page 122
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Wecovalve_red_B4: Fin Stewart
Fin Stewart
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Just Qvigstad
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