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Anyone use Ei tubes?

Discussion in 'Amps and Cabs [BG]' started by Stinsok, Aug 18, 2007.

  1. Stinsok

    Stinsok Supporting Member

    Dec 16, 2002
    Central Alabama
    I came across a couple in a trade. Haven't tried them yet. According to The Tubestore they are now out of production.
  2. DaveMcLain


    Jun 19, 2005
    Cuba MO
    Those were made in Yugoslavia. Ei made a very nice 12AX7 which I've used before with great results but the only other tube from them I've used was the EL84 which was pretty good too.

    I didn't know they were no longer in production....
  3. They're great sounding, but prone to be VERY microphonic. EI was an old Philips plant, so the design was superb, but the assembly and quality control of Ei was atrocious. If you ever find one that isn't microphonic, you've got a gem.
  4. BurningSkies

    BurningSkies CRAZY BALDHEAD Supporting Member

    Feb 20, 2005
    Syracuse NY
    Endorsing artist: Dingwall Guitars
    They were very erratic. The ones that are good are really good, but there was a very high rate of failures straight from production. I have a few that I really like.

    Also, I can note that while I bought a batch of them at one time, the 12AX7's showed a variety of traits...flat grey plates, shiny silver plates, long, short, etc....
  5. bongomania

    bongomania Gold Supporting Member Commercial User

    Oct 17, 2005
    PDX, OR
    owner, OVNIFX and OVNILabs
    I have one of their "gold" 12AX7's, and it sounds very nice, very low noise. But I've only been using it for a couple of weeks, so who knows about the future.

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