Matched Pair RCA 6K6 6K6GT Vacuum Tubes Gray Glass June 06 2024 And they sounded fine in

And they sounded fine in our Mini Mite 2013

there are two

It was not an original recording

new in box 6CX8 tube tested to spec on our Paul Hart-calibrated TV7/U

This lot of three Raytheon 12AX4GT / 12AX4GTA / 12AX4GTB tubes tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair RCA 6K6 6K6GT Vacuum Tubes Gray Glass June 06 2024 And they sounded fine inThis matched pair of RCA MANUFACTURED gray glass 6K6GT tubes was tested on our Maxi Matcher tube tester with 325 volts on the plates and a bias of 36 volts. Tube One drew 18. 3 milliamps' plate current while Tube Two drew 19. 6. Transconductance was 1370 for Tube One (Admiral LABELED, RCA MANUFACTURED) and 1350 for Tube Two (Philco LABELED, RCA MANUFACTURED) where new nominal is within one standard deviation of 1900. As I write, I am playing them in