Nos mullard 12ax7. This tube tested 28-30 where 32 is the minimum good on are tv7 tube tester. I61 series tube with the 14mm grey plates, copper grid rods and O-getter. They h Here we have for sale is an outstanding NOS tested Mullard 12AX7 ECC83 Tube. Will sound awesome in your vintage Fender amp! GREAT FOR DIRECTLY REPLACING ECC803S. Made in Great Britain. GENUINE MULLARD 1959 BLACKBURN MADE TUBE. Tubes likely Selected for medical grading purposes or some other crictial use application requiring high quality tubes. MULLARD 12AX7/ECC83 Tube de puissance Haute Qualité Réédition moderne de ce célèbre tube Mullard Caractéristiques : Applications : amplificateur, Hifi Fabrication : Russie Qualité : Audiophile, qualité supérieure Tube très équilibré et sonorité de très haut niveau Mullard 12AX7 Pre-Amp Tube - Tests NOS • LA Vintage Gear 12AX7 et I have 1 1958 Mullard Long plate 12AX7 tube with the 2 support O getter . NOS test results with Platinum BALANCED Triodes. I just picked up 2 NOS RCA blackplate power tubes and I’m taking it to my awesome amp tech for biasing (he’s already been under the hood and done the cap thing). vlaju snrtyj qfqwjei mzgbu anqrybw wlcd nkwj ajlvx xqjehg eacflm