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7E7

Information - Help 
ID = 2096
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Diode-Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 7E7 = CV892
Similar Tubes
Normally replaceable-slightly different:
  7E7E
Heater different:
  14E7
First Source (s)
12.Jul.1939 : Electron Tube Registration List
Predecessor Tubes 6B8   6B8G  
Successor Tubes 7R7  

Base Loctal-8, B8G (Sylvania, 1938) (Codex=Wb)
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Tube prices 3 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  7e7.png
  7E7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
 
7e7~~1.jpg
7E7: 1939
Tor Steinnes

 
390.png
7E7: Telefunken Werkstattbuch
Wolfgang Bauer

 
7e7_techdat01.png
7E7: Sylvania Technical Manual
Peter Hoddow


Usage in Models 1= 1940? ; 4= 1941 ; 4= 1942? ; 2= 1942 ; 1= 1946?? ; 2= 1946 ; 4= 1947?? ; 3= 1947 ; 1= 1948?? ; 1= 1948? ; 9= 1948 ; 5= 1949 ; 1= 1950?? ; 1= 1950 ; 1= 1953?? ; 1= 1953

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):41


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