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ECC83 vs ECC84

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  • ECC83 vs ECC84

    Hi Folks.
    A Friend of mine has come across some ECC81, 2 and 4 valves.
    Am I wrong to think that an ECC84 is simply a higher gain version of the 83?
    Also - what would happen if an 84 was used in the place of an 83?

    Obviously nobody wants to get a few hundred volts up their finger-end - I thought I'd ask first.

    Cheers,
    Ian.

  • #2
    I wouldn't sub an ECC84 for an ECC83, the pinouts are different.

    http://www.mif.pg.gda.pl/homepages/f...01/e/ECC84.gif

    http://www.mif.pg.gda.pl/homepages/f...30/e/ECC84.pdf

    http://www.mif.pg.gda.pl/homepages/f...82/e/ECC84.pdf



    Originally posted by newfish View Post
    Hi Folks.
    A Friend of mine has come across some ECC81, 2 and 4 valves.
    Am I wrong to think that an ECC84 is simply a higher gain version of the 83?
    Also - what would happen if an 84 was used in the place of an 83?

    Obviously nobody wants to get a few hundred volts up their finger-end - I thought I'd ask first.

    Cheers,
    Ian.

    Comment


    • #3
      Ah, Thanks Steve.

      Cheers!

      Comment


      • #4
        Low Mu

        And the Ecc 84 has a Mu is amplifying factor of 24 instead of 100 for the Ecc83

        Alf

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