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6F7

Information - Help 
ID = 2844
       
Country:
United States of America (USA)
Brand:
Tube type:  Triode-Pentode   Universal   Controlling (mu) 
Identical to 6F7 = VT-70 = Ut6F7 = PH6F7 = Ut-6F7 = CV1915
Similar Tubes
Other shape (e.g. bulb type):
  G-6F7-S
Normally replaceable-slightly different:
  6F7B ; 6F7E ; E746
Other base:
  6F7M ; 6P7G ; 6Ф7 ; UG-6P7G ; UG6P7G
Multiple differences or of other kind:
  ECF1
First Source (s)
05.Jul.1933 : The AWA Journal Vol. 7
01.Aug.1934 : Electron Tube Registration List
Successor Tubes 6P7G   ECF1  

Base 7-Pin-Base U7A = small, old, USA (Codex=Mb) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AC/DC
Description

Triode and remote-cutoff pentode usable as amplifier or frequency converter.

* RMA/JEDEC register record available by courtesy of TCA* - This tube was already listed by several manufacturers when RMA started its standardization in 1934. In order to characterize popular receiving types, manufacturers were asked to supply average characteristics as measured on production lots. Here are the filled answer forms supplied by Radio Valve Co., Raytheon, Sparton, Triad, Tung Sol, Ken Rad, Hytron and Arcturus. Full record is downloadable here.

 
Tube prices 4 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

6f7.png
6F7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Anonymous 10 Collector
    More ...
489_1.png 6F7: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
6f7_techdat01.png
6F7: Cunningham Radiotron Manual
Peter Hoddow

More ...
Usage in Models 7= 1933? ; 47= 1933 ; 5= 1934?? ; 21= 1934? ; 125= 1934 ; 4= 1935?? ; 27= 1935? ; 93= 1935 ; 10= 1936?? ; 9= 1936? ; 67= 1936 ; 1= 1937?? ; 2= 1937? ; 13= 1937 ; 4= 1938?? ; 5= 1938? ; 29= 1938 ; 2= 1939? ; 8= 1939 ; 1= 1940?? ; 2= 1940? ; 8= 1940 ; 2= 1941 ; 1= 1942?? ; 2= 1942? ; 1= 1946? ; 2= 1947?? ; 1= 1947 ; 1= 1948?? ; 2= 1951 ; 1= 1952 ; 1= 1958

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):504

Collection of


Documents about this component
  RMA qualification record for tube types 76, 77, 78, 6C6, 6D6, 75, 41, 42, 2A5, 85, 6F7, 80, 84 and 6A7. 1569 KB
 
6f7.jpg

6F7
 

Forum contributions about this tube
6F7
Threads: 1 | Posts: 1
Hits: 2666     Replies: 0
6F7 (6F7)
Fabio Masetti
17.Oct.09
  1

La 6F7 è equivalente anche alla CV1915.

 
6F7
End of forum contributions about this tube

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