Matched Pair Sylvania 6K6 6K6GT Vacuum Tubes Silver Tops You Got To Pay These nine US-made 6C5s were

These nine US-made 6C5s were tested on our Paul Hart-calibrated TV7/U for shorts

new in box Zenith 17AY3 / 17AY3A / 17BS3 / 17BS3A tubes tested to spec on our Paul Hart-calibrated TV7/U

It measured an outstanding 28 where minimum (65%) is 13

mica snubbers for increased rigidity and lowered microphonics and excellent flashing

This is a new old stock

Matched Pair Sylvania 6K6 6K6GT Vacuum Tubes Silver Tops You Got To Pay These nine US-made 6C5s wereThis 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 1690 micromhos and drew 19. 6 milliamps' plate current. Tube Two measured 1740 19. 8 where new nominal is within one standard deviation of 1900. These 6K6s are among the best looking, most solidly