12ax7

  1. N

    Who ever used ELECDOL 12ax7?

    Who ever used ELECDOL 12ax7? They declare adopt strict selection criteria, provide accurate test results, and even provide test curve. But I can't find any reviews of this brand on the Internet. This is a new brand?
  2. S

    Preamp tubes - 12ax7/12au7/12at7 VS

    6SN7 & 12SN7. any of you guys who build or tinker have any opinions? I know the au,at & 6sn7 are lower gain than their counterparts. Any thoughts on the way they sound? Thanks
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