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ID = 2641
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Triode-Heptode   Frequency converter 
Identical to 14J7
Similar Tubes
Normally replaceable-slightly different:
Heater different:
First Source (s)
23.Aug.1939 : Electron Tube Registration List

Base Loctal-8, B8G (Sylvania, 1938) (Codex=W)
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

14J7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

8bl_3.png 14J7
Emilio Ciardiello

More ...

Just Qvigstad
14J7: Sylvania Technical Manual
Peter Hoddow

Usage in Models 2= 1939?? ; 1= 1939? ; 2= 1940? ; 2= 1940 ; 2= 1941? ; 1= 1943 ; 1= 1945? ; 2= 1948?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):13

Collection of



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