Matched Pair Sylvania 6K6 6K6GT Black And Silver Bottles Vacuum Tubes NOS-Testing Products CSP 244 dimpled-sheet getters and terrific flashing

dimpled-sheet getters and terrific flashing

new in box matched pair of Hytron 1622 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

the distance is 2 1/4 inches

new in box Zenith 17CK3 tubes tested to spec on our Paul Hart-calibrated TV7/U

Unfortunately I can't tell you how they sound as we do not have any equipment that uses them nor do we have adapters at this time

Matched Pair Sylvania 6K6 6K6GT Black And Silver Bottles Vacuum Tubes NOS-Testing Products CSP 244 dimpled-sheet getters and terrific flashingThis 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 18. 8 milliamps' plate current and measured 2680 micromhos. Tube Two measured 19. 1 2820. New nominal is within one standard deviation of 1900. These tubes have pretty gray and silver bottles; copper support rods and round mica spacers. As I