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For Sale Phaedrus 6072m "fet tubes"

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I read somewhere once that the pinout is different than a 6072. That was news to me. Is that true?
That is true. I have one in an 251 style mic I built. It previously had a NOS 6072 and after I made the swap the only difference I noticed was a lower noise floor. Phaedrus does very nice work.
 
It is an evil question
True! That's why I used the devil emoji :devilish: . I would like to have a look inside, but on the other hand I don't want to ruin the manufacturer's business. There won't be much in it, you pay more for the know-how.;) I am sure you know the secret recipe.
 

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