Antique radios, Old Time Radios
VP4A
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Country:
Great Britain (UK)
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| Identical to |
VP4A
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| Similar
Tubes |
Normally replaceable-slightly different:
A50N
; AC/VHP
; HP4115
Other base:
VP4A_7pin
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Nc)
Top contact screw type.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1.2 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Metallised bulb only (Mullard data book 1935)
|
| Information source |
History of the British Radio Valve to 1940 p. 150&196
Babani, International Radio Tube Encyclopaedia p. 154 & 155
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
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VP4A: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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VP4A: Mullard Maintenance Manual
Achim Dassow
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):37
Collection of
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