Mullard EF86 Valve Tube Tests Good 60% Made in England See photos for condition. Tests good on Taylor Model 45C valve tester. A little low at 60% so unsure how usable this is. Price adjusted accordingly. Mutual conductance reading Gm 2.1 100% factory data in Taylor manual at Gm 3.5 UK shipping with MyHermes Tracked or Royal Mail. International shipping with Royal Mail International Tracked. I will combine postage on multiple valve orders. See my other listings!
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