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12SH7

Information - Help 
ID = 5441
       
Country:  United States of America (USA)      Brand: Common type USA tube/semicond.
  Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 12SH7 = VT-288 = CV922
Similar Tubes Heater different:
 6SH7
First Source (s) 15.Aug.1941 : Electron Tube Registration List
Successor Tubes 12AU6  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uko)
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC /
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

  12sh7.png
  12SH7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
12sh7.jpg
12SH7: scc
Christian Schaufelberger

 
12sh7.png
12SH7: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector

 
12sh7_techdat01.png
12SH7: SEL Handbuch 1964
Peter Hoddow


Usage in Models 1= 1942? ; 2= 1945? ; 2= 1945 ; 2= 1946? ; 3= 1946 ; 1= 1947? ; 4= 1947 ; 3= 1948 ; 2= 1949 ; 2= 1950? ; 2= 1952?? ; 1= 1953?? ; 1= 1953? ; 2= 1954?? ; 1= 1958?
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):29

12SH7*Box
   

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