* Tested on a Vacuum Tube Valley VTV Dual Triode Characterizer. Each Triode is tested for Quality, Gain and projected useful Life * VTV Gain Test Results = Where 100 is the Standard Gain for a 12AX7/ECC83/7025 *  Tube Triodes Tested in the 95-100 Range * Tester Not Included

** New Production and NOS Vintage Triodes generally gain test in the 90-120 Range ~ Mullard "The Master Valve" 12AX7 Retail Tube Box included w/test results printed inside the inner top box flap (Removable White Sticker) ** Pictures = Stock Photos

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