Antique radios, Old Time Radios
Pen40DD
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Country:
Great Britain (UK)
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| Identical to |
Pen40DD
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| Similar
Tubes |
Other base:
CBL1
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| Base |
British-7-Pin, old (M7A) (Codex=Nb)
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| Filament |
Vf 44 Volts / If 0.2 Ampere / Indirect / Specified current AC/DC ~ = (Series working) |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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Pen40DD: 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):3
Collection of
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