Mullard 6V6G Glass Tetrode Valve Tube Tests Good England See photos for condition. Tests good on Taylor Model 45C valve tester. Mutual conductance reading Gm 3.0 100% factory data in Taylor manual at Gm 2.6 UK shipping with MyHermes Tracked or Royal Mail. International shipping with Royal Mail International Standard. I will combine postage on multiple valve orders. See my other listings!
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