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7C7

Information - Help 
ID = 2727
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   Universal 
Identical to 7C7 = VT-193 = CV1777
Similar Tubes
Normally replaceable-slightly different:
  7C7E
Other base:
  6W7G
First Source (s)
31.Mar.1939 : Electron Tube Registration List
Predecessor Tubes 6W7G  
Successor Tubes 6BH6  

Base Loctal-8, B8G (Sylvania, 1938) (Codex=W)
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Tube prices 4 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  7c7.png
  7C7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
 
7c7_bild1.png
7C7: R.O.
Rudolf Osterkamp

 
358_2.png
7C7: Telefunken Werkstattbuch
Wolfgang Bauer

 
7c7_techdat01.png
7C7: Sylvania Technical Manual
Peter Hoddow


Usage in Models 1= 1939? ; 26= 1939 ; 1= 1940? ; 13= 1940 ; 1= 1941?? ; 25= 1941 ; 13= 1942 ; 1= 1944? ; 1= 1945? ; 1= 1946?? ; 6= 1946? ; 22= 1946 ; 2= 1947?? ; 10= 1947? ; 16= 1947 ; 1= 1948?? ; 2= 1948? ; 16= 1948 ; 1= 1949?? ; 5= 1950?? ; 1= 1952?? ; 1= 1953?? ; 2= 1955?? ; 1= 1960?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):169


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