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ID = 2851
United States of America (USA)
Tube type:  Mag. Ring tuning indicator 
Identical to 6T5
Similar Tubes
Normally replaceable-slightly different:
  6G5 ; 6H5 ; 6U5
Other base and data slightly different:
Multiple differences or of other kind:
First Source (s)
12.Apr.1937 : Electron Tube Registration List

Base 6-Pin-Base U6A, old, USA (Codex=K)
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Description The display of this tube closes from the outer edge towards the inner center. 
Dimensions (WHD)
incl. pins / tip
x 100 x 30 mm / x 3.94 x 1.18 inch
Tube prices 3 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

6T5: Internet
Miguel Angel Trujillo-Rodriguez

476_9.png 6T5: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
6T5: Raytheon Databook 1937
Emilio Ciardiello

More ...
Usage in Models 13= 1937? ; 41= 1937 ; 2= 1938? ; 20= 1938 ; 2= 1939?? ; 8= 1939 ; 1= 1940?? ; 1= 1940? ; 2= 1940 ; 1= 1942?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):91

Collection of



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