Antique radios, Old Time Radios
UBF11
Country:
Europe
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Identical to |
UBF11
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Similar
Tubes |
Other shape (e.g. bulb type):
UBF11g
Normally replaceable-slightly different:
UBF11E
Heater different:
VBF11
Other base:
UBF171
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First year |
Jul.1939
Tube leaflet collection E.Erb Analysis by original leaflets (V7, T8)
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First Source
(s) |
23.Jul.1939 : Funkschau 1939 #30
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Successor Tubes
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1948
UBF80
UAF42
UBF15
UBF171
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Base |
German Steel Y8A, 1938 (Codex=Rh)
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 20 Volts / If 0.1 Ampere / Indirect / Specified current AC/DC ~ = (Series working) |
Tube prices |
14 Tube prices (visible for members
only)
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Information source |
Taschenbuch zum Röhren-Codex 1948/49
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UBF11: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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UBF11: JK Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe
More ...
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Just Qvigstad
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UBF11: Telefunken 1942
Robert Schmalstieg
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):630
Collection of
Collection of a member from D Collection of a member from FIN Collection of a member from D Collection of a member from D Collection of a member from D
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Variants
Glass- version of the former GDR w/ horizontal structure
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UBF11 von Lorenz; Glaskolben mit Abschirmkappe aus Leichtmetall.
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UBF11 glass version by Telefunken after 1945 with vertical electrode structure w/out suffix G in the designation
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