4 Sylvania 6AX8 Vacuum Tubes Valves NOS NIB Lot Of Four Matched Pair 6AK5 new in box matched pair

new in box matched pair of RCA 6AK5 tubes was tested on our Paul Hart-calibrated TV7/U tester for shorts

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

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

This milspec RCA JRC-1S5 tube tested to spec on our Paul Hart-calibrated TV7/U

14 MM plates straddled by half-moons

4 Sylvania 6AX8 Vacuum Tubes Valves NOS NIB Lot Of Four Matched Pair 6AK5 new in box matched pairThese 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