5 US-Made 6AV5 6AV5GT Vacuum Tubes Valves Lot Of Five April 29 2022 1 12SK7GT/G

1 12SK7GT/G

new in box RCA 6CG8A tubes tested to spec on our Paul Hart-calibrated TV7/U

This matched pair of Hytron black glass 6V6GT output tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volts for shorts

This matched pair of new old stock-testing General Electric / GE 12SN7 12SN7GTA dual triodes was tested on our Jackson 648 Mutual Conductance tester for shorts

They measured 86/82

5 US-Made 6AV5 6AV5GT Vacuum Tubes Valves Lot Of Five April 29 2022 1 12SK7GT/GThis lot of five US made 6AV5GT tubes were tested for shorts, gas and transconductance on our Paul Hart calibrated TV7 U as well as a Hickok and a Superior. The Superior tested tube measured "low to medium good; The Hickok tested 6AV5 tested 4200 micromhos where new nominal is 3900; The TV7 tubes measured 60, 64 and 70 where minimum (65%) is 49. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY