Antique radios, Old Time Radios
402PenA
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Country:
Great Britain (UK)
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| Identical to |
402PenA
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| First Source
(s) |
1938 : History of the British Radio Valve to 1940 p.189
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| Base |
British-7-Pin, old (M7A) (Codex=Nfo)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 40 Volts / If 0.2 Ampere / Indirect / Specified current AC/DC ~ = (Series working) |
| Description |
Lower impedance and working voltage of the 402Pen.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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402PenA: Telefunken Werkstattbuch
Wolfgang Bauer
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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
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