Matched Pair RCA 6AK5 EF95 Vacuum Tubes NOS NIB Matched Pair 12AX7 new in box RCA 4GJ7

new in box RCA 4GJ7 / XCF801 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box Sylvania 12AV7 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

These end links appear to be made of stainless steel and rose gold or copper

Transconductance measured 56/56 for Tube One and 58/58 for Tube Two where minimum (65%) is 25/25 and 100% is 38

(New 12AU7s typically test within one standard deviation of 2200 micromhos

Matched Pair RCA 6AK5 EF95 Vacuum Tubes NOS NIB Matched Pair 12AX7 new in box RCA 4GJ7This new old stock, new in box matched pair of RCA 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 31 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 SITE