Matched Pair Transleteronic 6AK5 6J1 6J2 Vacuum Tubes NOS NIB Novar T07 top mica spacers with smooth-sided

top mica spacers with smooth-sided rectangular bottom mica spacers

almost-perfectly-matched pair of Sylvania-MANUFACTURED 6BL7GTA dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box GE 6J6 / 6J6A tubes tested to spec on our Paul Hart-calibrated TV7/U

Tube Two lacks most markings and I believe it was military surplus and had its markings removed as memories of the war were a little too fresh

Matched Pair Transleteronic 6AK5 6J1 6J2 Vacuum Tubes NOS NIB Novar T07 top mica spacers with smooth-sidedThis new old stock, new in box matched pair of Transleteronic 6AK5 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 27 while Tube Two measured 28 where minimum (65%) is 22. These tubes are the equivalent of the Chinese Russian 6J1 and 6J2. 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