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14AF7

Information - Help 
ID = 3924
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Triode   Universal 
Identical to 14AF7 = XXD
Similar Tubes
Heater different:
  7AF7
First Source (s)
21.Sep.1942 : Electron Tube Registration List
Predecessor Tubes 12AH7GT  
Successor Tubes 12AU7  
Base Loctal-8, B8G (Sylvania, 1938) (Codex=W)
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
  valvula14af7.png
  14AF7: Internet
Miguel Angel Trujillo-Rodriguez
 
philco_14af7.jpg
14AF7: O.F.
Otto Frosinn
 
342_2.png
14AF7: Telefunken Werkstattbuch
Wolfgang Bauer
 
14af7_techdat01.png
14AF7: Sylvania Technical Manual
Peter Hoddow

from Just Qvigstad
Usage in Models 1= 1946 ; 1= 1947 ; 9= 1948 ; 1= 1949? ; 10= 1949 ; 1= 1950?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23
Collection of Otto Frosinn (D)
Collection of Bekir Yurdakul (F)
Collection of Antonio Rabitti (BR)
Collection of David Erali (USA)
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