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14C7

Information - Help 
ID = 3899
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   Universal 
Identical to 14C7
Similar Tubes
Other class quality (otherwise equal):
  1273
First Source (s)
24.Oct.1940 : Electron Tube Registration List

Base Loctal-8, B8G (Sylvania, 1938) (Codex=W)
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  14c7.png
  14C7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
tungsol_14c7.jpg
14C7: O.F.
Otto Frosinn

 
358_11.png
14C7: Telefunken Werkstattbuch
Wolfgang Bauer

 
14c7_techdat01.png
14C7: Sylvania Technical Manual
Peter Hoddow


from Just Qvigstad

Usage in Models 1= 1924? ; 2= 1941? ; 5= 1941 ; 1= 1942?? ; 1= 1942? ; 8= 1942 ; 5= 1946 ; 4= 1947 ; 5= 1948

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):32


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