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7N7

Information - Help 
ID = 3955
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Triode   Universal 
Identical to 7N7 = CV898
Similar Tubes
Heater different:
  14N7
Other base:
  6CG7 ; 6F8G ; 6FQ7 ; 6SN7A ; 6SN7GT
First Source (s)
15.Apr.1940 : Electron Tube Registration List
Predecessor Tubes 6F8G  
Successor Tubes 6CG7   6FQ7  
Base Loctal-8, B8G (Sylvania, 1938) (Codex=W)
Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect / Specified voltage AC/DC
Description Loktal equivalent of 6SN7GT. 
Tube prices 7 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
7n7.png
7N7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Anonymous 10 Collector
342_1.png 7N7: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
Just Qvigstad 		7n7_techdat01.png
7N7: Sylvania Technical Manual
Peter Hoddow
More ...
Usage in Models 1= 1940?? ; 3= 1941 ; 1= 1942?? ; 4= 1942 ; 1= 1944 ; 1= 1945?? ; 1= 1945 ; 1= 1946?? ; 5= 1946? ; 7= 1946 ; 4= 1947 ; 4= 1948?? ; 5= 1948? ; 3= 1948 ; 4= 1949? ; 11= 1949 ; 2= 1950?? ; 9= 1950? ; 1= 1951?? ; 57= 1951? ; 9= 1951 ; 39= 1952? ; 1= 1955?? ; 2= 1959?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):176

Collection of

Emilio Ciardiello (I)
David Erali (USA)
Stig Comstedt (S)
Collection of a member from FIN
Lars Nord (S)
Collection of a member from D
Karlheinz Fischer (D)
George Papaiz (CDN)
Christophe Faure (F)
Tor Steinnes (N)
Robert Gillespie (USA)
Collection of a member from FIN
Georges Werts (B)
Aldo Patriarca (CH)
Kyle Werner (USA)
Bruno Candreia (CH)
 
7n7_rca.jpg

7N7
 
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