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

I am playing it in my Musical Paradise MC-3 single-ended integrated amplifier with The Eagles' seminal "Hotel California" album and it sounds terrific

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

This trio of RCA 6K7 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

essentially

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

Matched Pair General Electric GE 6K6 6K6GT Black Plate Vacuum Tubes December 28 2022 I am playing 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