Antique radios, Old Time Radios
R42_Ferranti
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Country:
Great Britain (UK)
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Brand:
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Ferranti, GB |
| Tube type: |
Full-Wave Vacuum Rectifier Power-supply |
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| Identical to |
R42_Ferranti
= R2
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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 4 Volts / If 2.5 Ampere / Half indirect |
| Description |
350-0-350V rms; 120mA max rectifiedcurrent
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| Information source |
Babani, International Radio Tube Encyclopaedia
History of the British Radio Valve to 1940 p. 175
British Radio Valves - The Classic Years: 1926-1946
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Just Qvigstad
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Collection of
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