Matched Pair RCA 6AK5 Vacuum Tubes Steel Plate NOS NIB 6S8GT Grid Cap These seven 6A6 tubes were

These seven 6A6 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

Delco-BRANDED 6SK7 tested as good on our Paul Hart-calibrated TV7/U

GM-Delco-BRANDED 6AX8 tubes tested to spec on our Paul Hart-calibrated TV7/U

This matched pair of Tung-Sol black glass 6K6GT tubes was tested on our Maxi-Matcher tube tester with 325 volts on the plates and a bias of -36 volts

This lot of two Ken-Rad-MANUFACTURED number 19 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Matched Pair RCA 6AK5 Vacuum Tubes Steel Plate NOS NIB 6S8GT Grid Cap These seven 6A6 tubes wereThis new old stock, new in box matched pair of RCA steel plate 6AK5 tubes was tested on our Paul Hart calibrated TV7 U tester for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 30 while Tube Two measured 32 where minimum (65%) is 22. I am playing them now in my Mini 2013 as I write and they sound excellent. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER