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RE: Telefunkens or Not?

Posted by BBoterham (A) on October 4, 2016 at 14:18:23

In Reply to: Telefunkens or Not? posted by Nglazer on October 4, 2016 at 07:20:13:

Here are some ecc82 smooth plates with the <> on the bottom that I found. These are genuine TFK (Mazda was a rebrander of tubes. They had no own manufactoring facility, so they bought tubes from Thomson, RT, Telefunken and later also Brimar and put the Mazda branding on it).

The 4th tube is also a TFK, but the last three are EI, made in Yuguslavia with TFK machines. If you look on the photo, you can see a clear difference between the plates of tube 4 and 5 (the location of the holes in the plates is different)

Bottoms:

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