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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
Other shape (e.g. bulb type):
  12SH7GT
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 / Specified voltage AND current AC/DC
Tube prices 3 Tube prices (visible for members only)
Information source 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_so.png 12SH7: RCA Reference Book 1968
Anonymous 10 Collector

More ...

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

Usage in Models 1= 1941?? ; 1= 1942? ; 1= 1943?? ; 3= 1945? ; 2= 1945 ; 2= 1946? ; 3= 1946 ; 1= 1947? ; 4= 1947 ; 3= 1948 ; 1= 1949? ; 1= 1949 ; 2= 1950? ; 1= 1951? ; 2= 1952?? ; 1= 1953?? ; 1= 1953? ; 2= 1954?? ; 1= 1954?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):33

Collection of

 
12sh7_873rm400s.jpg

12SH7
 

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