GE JAN 12AT7W ECC82 Tube O Getter Strong Tested 100% ConditionTube: Tested Good Some boxes are brittle, or have imperfections, starting to crumble TESTED IN A HICKOK 752A1) Filament 2) checked for shorts, Leakage 3) Grid (Gas) 4) Emission Test 5) Dynamic Mutual Conductance Result on Tube 1 ( 1200/1350 GM ) Minimum Value = 625/625Where NOS Value = 962/962AND6) Life Test = Useful Life in Tube = 100% Since vacuum tubes were made 30 ? 70 years ago New Old Stock or Used may have cosmetic evidence of age. This includes poor print, oxidized pins, faint discoloration, or poorly boxTwo testers are never the same. So this shows what I get, and what you get may be slightly 10% different.If I state any values they are for a guide only.No guarantee is made that any tube will test to a specific value in the buyers tube tester, most all tubes are tested on at least two tube testersThis because of the variation in line voltage, different bias, and circuits. Return PolicyGuarantee:100% Contact UsIf youre in any way dissatisfied with your purchase, do not hesitate to contact us through MY MESSAGES. We will do our best to solve it for you. We are committed to ensuring that you are completely satisfied with every transaction.So Please DO contact us first to get a better solution before you would leave Negative or Neutral feedback. Shipping timesDomestic USPS First Class Mail: 3-7 Days, includes trackingInternational Request an invoice International BuyersPlease Note:Buyer is responsible for all taxes, duties, and import fees. Please contact your local customs office for costs.