Matched Pair General Electric GE 6K6 6K6GT Black Plate Vacuum Tubes December 28 2022 I have played it in

I have played it in my Schiit Vali 2 headphone amplifier and it sounded great

It has gray

4 milliamps' plate current

These tubes have gray coatings from the very tops to within 12 MM of the bases

Transconductance measured 77 for both tubes where minimum (65%) is 40

Matched Pair General Electric GE 6K6 6K6GT Black Plate Vacuum Tubes December 28 2022 I have played it inThis matched pair of GE 6K6 6K6GT tubes was tested on our Maxi Matcher 2 with 325 volts on the plates and a bias of 36 volts for shorts, gas, plate current and transconductance. There were no shorts or gas. Tube One measured 2000 micromhos, 24. 2 milliamps' plate current. Tube Two measured 2160 26. 6. New nominal is within one standard deviation of 1900. As I write, I am playing them in my Mini Mite 2013 and they sound great. WE HAVE SCORES OF