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6J7MG

Information - Help 
ID = 9475
       
Country:
Worldwide
Brand: Common type Worldwide tube/semicond.
Developer: Triad Television & Mfg. Co.; Pawtucket, RI 
Tube type:  Vacuum Pentode   Universal 
Identical to 6J7MG
Similar Tubes
Other shape (e.g. bulb type):
  6J7 ; 6J7G ; 6J7GT
Heater different:
  6W7MG
First Source (s)
08.Jul.1935 : Electron Tube Registration List 34
Predecessor Tubes 77  
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Description

Glass bulb inside a metal envelope.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
374_30.png 6J7MG: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
Just Qvigstad
Usage in Models 1= 1936 ; 1= 1939 ; 1= 1942?? ; 1= 1949
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4

Collection of

Christian Schaufelberger (CH)
Bruno Candreia (CH)
Patrice Zeissloff (F)
Georges Werts (B)
Danko Tkalec (HR)
Jacob Roschy (D)
Oskar Elm (D)
Manfred Rathgeb (D)
 
6j7mg_r.jpg

6J7MG
 
Forum contributions about this tube
6J7MG
Threads: 1 | Posts: 1
Hits: 1143     Replies: 0
Curiosité erreur de marquage
Georges Werts
26.May.19 		  1
Curiosité erreur de marquage 

Voir photo en annexe un problème de marquage chez BELVU donne une 67J MG pour un tube identique au 6J7MG.

Georges Werts

Attachments

 
6J7MG
End of forum contributions about this tube
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