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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

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

6J7MG
 
Forum contributions about this tube
6J7MG
Threads: 1 | Posts: 1
Hits: 906     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
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