GEC VT-75 KT66 10e/11533 Grey Glass Fat Valve Tube Tests Good Made in England

See photos for condition.

Tests good on Taylor Model 45C valve tester.

Mutual conductance reading Gm 4.8

100% factory data in Taylor manual at Gm 3.8

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!