Antique radios, Old Time Radios
EF3
Country:
Europe
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Identical to |
EF3
|
Similar
Tubes |
Heater different:
AF3
; CF3
; EF9nT
; VF3
|
First year |
Jul.1936
Tube leaflet collection E.Erb Analysis by original leaflets
|
First Source
(s) |
Feb.1936 : Funkschau 1936, # 5
Jan.1936 : Fortschritte der Funktechnik und ihrer Grenzgebiete (8 Bände) 1936 # 1
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Predecessor Tubes |
EF2
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Successor Tubes
|
EF5
|
Base |
Europe side contact P8A (Au P, 8SC) (Codex=Sf)
Top contact with a cap.
|
Filament |
Vf 6.3 Volts / If 0.24 Ampere / Indirect / Specified voltage AC/DC |
Description |
Nachzügler zur ersten europäischen Serie von Autoradioröhren. Die EF3 ist die ZF- Regelröhre.
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Tube prices |
1 Tube prices (visible for members
only)
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Information source |
Taschenbuch zum Röhren-Codex 1948/49
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EF3: schaltplans.
Egon Strampe
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EF3: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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EF3: Telefunken 1937
Robert Schmalstieg
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5
Collection of
Collection of a member from D
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