4 Sylvania 6AX8 Vacuum Tubes Valves NOS NIB Lot Of Four Matched Pair 6AK5 new in box 12F5GT tubes

new in box 12F5GT tubes tested to spec on our Paul Hart-calibrated TV7/U

I can't tell you how they sound as we don't have any equipment that runs them

14 MM plates straddled by half-moons

It is a strange bird with well over an inch of space above the top mica spacer

new in box GE 12L6GT tubes tested to spec on our Paul Hart-calibrated TV7/U

4 Sylvania 6AX8 Vacuum Tubes Valves NOS NIB Lot Of Four Matched Pair 6AK5 new in box 12F5GT tubesThese four new old stock, new in box Sylvania MANUFACTURED, GM Delco BRANDED 6AX8 tubes tested to spec on our Paul Hart calibrated TV7 U. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST OF THE TUBES WE SELL ARE OVER 50 YEARS OLD. WE CANNOT GUARANTEE FOR FAILURES