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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 defined voltage)
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
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

from Just Qvigstad
Usage in Models 7= 1933? ; 47= 1933 ; 5= 1934?? ; 21= 1934? ; 126= 1934 ; 5= 1935?? ; 27= 1935? ; 93= 1935 ; 9= 1936?? ; 9= 1936? ; 67= 1936 ; 1= 1937?? ; 2= 1937? ; 13= 1937 ; 4= 1938?? ; 5= 1938? ; 28= 1938 ; 2= 1939? ; 8= 1939 ; 1= 1940?? ; 3= 1940? ; 7= 1940 ; 2= 1941 ; 2= 1942? ; 1= 1946? ; 2= 1947?? ; 1= 1947 ; 1= 1948?? ; 2= 1951 ; 1= 1952
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):502
Collection of Joachim Röhling (D)
Collection of Egon Penker (A)
Collection of Christian Schaufelberger (CH)
Collection of Jörg Kulbe (D)
Collection of Karlheinz Fischer (D)
Collection of Valery Gromov (RUS)
Collection of Karl - Heinz Bossan (D)
Collection of Heinz Schmidt (D)
Collection of Aldo Patriarca (CH)
Collection of Ottmar Rollmann (D)
Collection of Jozef Brughmans † (B)
Collection of Georges Werts (B)
Collection of Wesselin Tzenow † 25.5.10 (D)
Collection of Peter Roggenhofer † 25.4.18 (A)
Collection of Danko Tkalec (HR)
Collection of Hermann Fleischanderl (A)
Collection of Jacky Parmentier (F)
Collection of Massimo Pedrina (I)
Collection of a member from SK
Collection of Tomasz Szczesniak (PL)
Collection of Bekir Yurdakul (F)
Collection of Cristian Wolkenstein (RA)
Collection of Mark Saltzman (USA)
Collection of Jean-Jacques Pontigny (F)
Collection of Bruce Morgenstern (CDN)
Collection of Antonio Bordini (I)
Collection of Michael Gnaedig-Fischer (MEX)
Collection of Bartosz Szwed (GB)
Collection of David Erali (USA)
Collection of Patrice Follet (F)
Collection of Tor Steinnes (N)
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: 2446     Replies: 0
6F7 (6F7)
Fabio Masetti
17.Oct.09 		  1
6F7 (6F7) 

La 6F7 è equivalente anche alla CV1915.
 
6F7
End of forum contributions about this tube
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