Matched Pair Sylvania 6K6 6K6GT Vacuum Tubes Silver Tops NOS-Testing 6PPC2 gray and silver bottles

gray and silver bottles

Tube Two Transconductance: 2610

foil getters and cross-shaped-top and rectangular-bottom spacers

It sounded balanced

This lot of six Zenith number / type 58 stamped- / engraved-base tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Matched Pair Sylvania 6K6 6K6GT Vacuum Tubes Silver Tops NOS-Testing 6PPC2 gray and silver bottlesThis new old stock TESTING matched pair of Sylvania silver top 6K6GT tubes was tested on our Maxi Matcher tube tester with 325 volts on the plates and a bias of 36 volts for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 1860 micromhos and drew 23. 4 milliamps' plate current. Tube Two measured 1950 23. 5. New nominal is within one standard deviation of 1900. These 6K6s are the best looking, most solidly built 6K6s