Matched Pair General Electric GE 6K6 6K6GT Black Plate Vacuum Tubes December 28 2022 4 milliamps' plate current

4 milliamps' plate current

new in box Philco 12K7G tubes tested to spec on our Paul Hart-calibrated TV7/U

It has gray

new in box US-made 3GK5 tubes tested to spec on our Paul Hart-calibrated TV7/U

This matched pair of Hytron gray 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

Matched Pair General Electric GE 6K6 6K6GT Black Plate Vacuum Tubes December 28 2022 4 milliamps' plate currentThis 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