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6B7

Information - Help 
ID = 2840
       
Country:
United States of America (USA)
Brand:
Tube type:  Double Diode-Pentode   RF/IF-Stage   Controlling (mu) 
  Ca. 1925 up to 1945 rare.
Identical to 6B7 = Ut6B7 = Ut-6B7 = VT162_GPO = CV1711
Similar Tubes
Other shape (e.g. bulb type):
  6B7S ; G-6B7-S
Normally replaceable-slightly different:
  38627 ; 6B7E
Other class quality (otherwise equal):
  NU-6B7S ; VT-68
Other characteristic (electr. data):
  6B7S_Aus
Heater different:
  2B7 ; ER2B7 ; G-2B7-S
Other base:
  6B8 ; 6B8G ; 6B8GT ; EBF1
Other base and other heater:
  WE37F
First year 1933 -- Collector info (Sammler)
First Source (s)
1933 : The AWA Journal Vol. #7
Successor Tubes 6B8   6B8G   6B8GT  

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 AND current AC/DC
Dimensions (WHD)
incl. pins / tip
x 116 x 38 mm / x 4.57 x 1.50 inch
Weight 39 g / 1.38 oz
Tube prices 3 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia
Universal Vade-Mecum, Electron Valves and Semiconductor Devices

6b7.png
6B7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Anonymous 10 Collector

488_1.png 6B7: Telefunken Werkstattbuch
Wolfgang Bauer

More ...

Just Qvigstad
6b7_techdat01.png
6B7: Sylvania Technical Manual
Peter Hoddow

More ...
Usage in Models 10= 1933?? ; 33= 1933? ; 103= 1933 ; 17= 1934?? ; 46= 1934? ; 305= 1934 ; 47= 1935?? ; 91= 1935? ; 358= 1935 ; 37= 1936?? ; 41= 1936? ; 182= 1936 ; 15= 1937?? ; 14= 1937? ; 216= 1937 ; 13= 1938?? ; 8= 1938? ; 94= 1938 ; 2= 1939?? ; 6= 1939? ; 42= 1939 ; 6= 1940?? ; 4= 1940? ; 5= 1940 ; 3= 1941?? ; 4= 1941? ; 1= 1941 ; 1= 1942?? ; 1= 1943? ; 1= 1944? ; 5= 1944 ; 1= 1945?? ; 2= 1946? ; 4= 1947 ; 1= 1948 ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1720

Collection of

 
6b7_014r.jpg

6B7
 

Forum contributions about this tube
6B7
Threads: 1 | Posts: 1
Hits: 3656     Replies: 0
6B7 (6B7)
Reinhard Hanschke
14.Aug.07
  1

Neupreis 1938: 57,00 FFR. Lit.: Catalog der Fa.MANUFRANCE (MF) von 1938.

 
6B7
End of forum contributions about this tube

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