Matched Pair RCA 6AK5 Vacuum Tubes Steel Plate NOS NIB 6S8GT Grid Cap Delco-BRANDED 6SK7 tested as good

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

There are two GEs

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

Date Codes: LE1 and LE4

It measured 58/50 where minimum (65%) is 40/40 and 100% is 62/62

Matched Pair RCA 6AK5 Vacuum Tubes Steel Plate NOS NIB 6S8GT Grid Cap Delco-BRANDED 6SK7 tested as goodThis 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