Antique radios, Old Time Radios
UD41
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Country:
Great Britain (UK)
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| Identical to |
UD41
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| First Source
(s) |
1938 : - - Manufacturers Literature
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| Base |
British-7-Pin, old (M7A) (Codex=Nm)
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| Filament |
Vf 4 Volts / If 1.2 Ampere / Indirect |
| Description |
Voltage doubling rectifier. Two diodes internally connected in series
500V rms develops 1,240V dc at 20mA.
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| Information source |
Tickling the Crystal; Sanders
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|
UD41: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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