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ID = 2640
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Triode   VHF 
Identical to 14F8
Similar Tubes
Heater different:
First Source (s)
29.Jul.1946 : Electron Tube Registration List 513
Successor Tubes 12AT7  

Base Loctal-8, B8G (Sylvania, 1938)
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Description Twin triode designed to operate at frequencies up to 300-400MHz. 
Tube prices 2 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
  14F8: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
Anonymous 773 Collector

14F8: RTT Schwandt
Günther Stabe


Usage in Models 3= 1939? ; 2= 1945? ; 5= 1947 ; 1= 1948? ; 5= 1948 ; 4= 1949? ; 16= 1949 ; 1= 1950?? ; 2= 1951?? ; 1= 1952??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):40

Collection of a member from FIN

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