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6414

  1. mjw21a

    How close are E90CC to 12AU7?

    I've noticed that E90CC's are more reasonably priced and considering there don't appear to be many NOS 12AU7 available if these work then it opens up a few more choices. I know I've subbed 12AU7's for 6414's in the past with good results despite them being closer to a 12AT7 spec than 12AU7...
    • mjw21a
    • Thread
    • 12au7 6414 e80cc e90cc
    • Replies: 14
    • Forum: Tube Audio
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