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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 = CV1915 = VT-70 = Ut6F7 = Ut-6F7 = PH6F7
Similar Tubes
Other shape (e.g. bulb type):
  G-6F7-S
Normally replaceable-slightly different:
  6F7B ; 6F7E
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 / Parallel, (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)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  6f7.png
  6F7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
 
6f7.jpg
6F7: JK Jörg Kulbe
Jörg Kulbe

 
489_1.png
6F7: Telefunken Werkstattbuch
Wolfgang Bauer

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


Usage in Models 7= 1933? ; 47= 1933 ; 6= 1934?? ; 21= 1934? ; 125= 1934 ; 4= 1935?? ; 27= 1935? ; 89= 1935 ; 10= 1936?? ; 8= 1936? ; 65= 1936 ; 1= 1937?? ; 2= 1937? ; 9= 1937 ; 4= 1938?? ; 5= 1938? ; 26= 1938 ; 2= 1939? ; 7= 1939 ; 1= 1940?? ; 3= 1940? ; 7= 1940 ; 1= 1941 ; 2= 1942? ; 1= 1946? ; 2= 1947?? ; 1= 1947 ; 1= 1948?? ; 1= 1951 ; 1= 1952

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):486


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

Forum contributions about this tube
6F7
Threads: 1 | Posts: 1
Hits: 2132     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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