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Old 23rd Oct 2019, 12:36 pm   #13
Maarten
Nonode
 
Join Date: Dec 2007
Location: Haarlem, Netherlands
Posts: 2,655
Default Re: 1971 Philips G6.

I don't think radiomuseum.org states the developer of this tube was Telefunken, though they might have been since they were one of the major manufacturers. Logically it could have been Telefunken or Philips (Mullard, Valvo, RTC), possibly SEL.
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