Matched Pair Sylvania 6V6 6V6GT Vacuum Tubes Silver And Gray NOS-Testing National NOS NIB It has a rectangular

It has a rectangular

67 and 72 where minimum (65%) is 49

65 and 79 where minimum (65%) is 45

I am playing it in one of my ArtSound single-ended 805 monoblocks with Steely Dan’s seminal "Aja" album

Tube One measured 1630 micromhos

Matched Pair Sylvania 6V6 6V6GT Vacuum Tubes Silver And Gray NOS-Testing National NOS NIB It has a rectangularThis matched pair of Sylvania silver and gray 6V6GT output tubes was tested on our Maxi Matcher 400 volts on the plates and a bias of 36 volts for shorts, gas and transconductance. There were no shorts or gas. Tube One drew 30. 6 milliamps with a transconductance of 3060 micromhos while Tube Two measured 31. 3 2640, (New US made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from 2300 micromhos or so.) These