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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.
 
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