Matched Pair Sylvania 6K6 6K6GT Gray And Silver Bottles Vacuum Tubes Valves 6FQ7 Sixcgseven There were no shorts or

There were no shorts or gas and it tested as follows:

This DVD / CD combination plays fine

I just cleaned this LP set on my VPI 16

straight-bottle bottle variety

Matched Pair Sylvania 6K6 6K6GT Gray And Silver Bottles Vacuum Tubes Valves 6FQ7 Sixcgseven There were no shorts orThis matched pair of Sylvania MANUFACTURED 6K6GT tubes was tested on our Maxi Matcher 400 volts on the plates and a bias of 36 volts for shorts, gas and transconductance. There were no shorts or gas. Tube One drew 26. 8 milliamps' plate current and measured 1600 micromhos. Tube Two measured 27. 4 1700. New nominal is within one standard deviation of 1900. These tubes have pretty gray and silver bottles; copper support rods; rectangular mica spacers