Matched Pair RCA 6K6 6K6GT Vacuum Tubes Gray Glass Quintet 6K 5 out of ten

5 out of ten

MOST OF THE TUBES WE SELL ARE OVER 60 YEARS OLD

A seven out of ten

There were no shorts or gas and it measured 40/37 where minimum (65%) is 32/32 and 100% is 49/49

This Moss Music Group DBX pressing has no surface noise but a very few pops and ticks

Matched Pair RCA 6K6 6K6GT Vacuum Tubes Gray Glass Quintet 6K 5 out of tenThis 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