Tungsram ECC83 (12AX7) Medium Plate Halo Get Tests Good 125% Made in England I63 B7J2 See photos for condition. Tests good on Taylor Model 45C valve tester. Triode 1 mutual conductance reading Gm 2.5 Triode 2 mutual conductance reading Gm 2.5 100% factory data in Taylor manual at Gm 2.0 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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