The thing is they made some 6SN7's with very unique plate structures I never seen before.
I'll ask Bruno my French tube guru.
George pretend you are sick when you visit the Louvre.........hopefully your wife will not want to get back to the hotel with you.
The boys will be waiting for you to hit the town!!!!!!
Sorry Oskari, the 6SN7 is there, I meant the 6SL7 like these:
I do need more carrots for sure!!!!!!!
BTW there are more than one type of 6SN7 made by Neotron.
Just got a reply from Bruno:
Neotron was part of the Philips unit with their own factory, under RT division ( dario Miniwatt in Clichy, see photo ).
Green color = Main manufacturer like RCA, National Union......
Thanks! Might have started as an independent operation, though.
God made Adam and Eve.
Newton made the apple.
Neotron made tubes.