Antique radios, Old Time Radios
4TPB
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Country:
Great Britain (UK)
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| Identical to |
4TPB
= CV828
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| Similar
Tubes |
Different connections:
4TSP
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| Base |
British-7-Pin, old (M7A)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Description |
As 4TSP but without top cap. Conection brought to base.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia p. 8 & 9
History of the British Radio Valve to 1940
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Just Qvigstad
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4TPB: My schematic collection.
Pier Antonio Aluffi
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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