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12SC7

Information - Help 
ID = 2951
       
Country:
United States of America (USA)
Brand:
Tube type:  Double Triode   Audio Frequency 
Identical to 12SC7 = VT-268
Similar Tubes
Other class quality (otherwise equal):
  1634 ; CV540
Heater different:
  6SC7
First Source (s)
02.Feb.1939 : Electron Tube Registration List
Successor Tubes 12SL7GT  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ve)
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Tube prices 3 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  12sc7.png
  12SC7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
12sc7_876rm400s.jpg
12SC7: Collection JR
Jacob Roschy

 
12sc7_so.png
12SC7: RCA Reference Book 1968
Michael Schlör

 
12sc7_techdat01.png
12SC7: Sylvania Technical Manual
Peter Hoddow


from Just Qvigstad

Usage in Models 2= 1939 ; 1= 1940 ; 1= 1941? ; 4= 1941 ; 1= 1942 ; 1= 1943 ; 2= 1945? ; 3= 1947 ; 4= 1949? ; 4= 1949 ; 2= 1950?? ; 1= 1950? ; 1= 1950 ; 2= 1951? ; 3= 1952? ; 1= 1953?? ; 2= 1955?? ; 1= 1955 ; 1= 1956?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):37


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