General Electric GE 5-Star 6386 Vintage Tubes NOS Fairchild 660 670 Sta Level

We have multiple available,listed price is for a single tube. While these tubes are not strictly NOS (it appears they may have been tested and/or used in the past), these all tested at NOS levels in our Amplitrex AT1000 with no microphonics or hum detected (mostly in the 100% range or above, from 80% - 126% Emissions (%) and GM (%) with very low Gas).

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