Sylvania 6C8 6C8G Vacuum Tube NOS-Testing MP-301 MK3 It has a thin

It has a thin

" WE SHIP THE DAY AFTER THE SALE IF THE SALE WAS AFTER 9:30 AM EASTERN TIME

This perfectly-matched pair of RCA steel plate 6AK5 tubes was tested on our Paul Hart-calibrated TV7/U tester for shorts

new in box Amperex 9ED4 tube tested to spec on our Paul Hart-calibrated TV7/U

This quad of US-made 6211 dual triodes was tested on our Hickok 800 for shorts

Sylvania 6C8 6C8G Vacuum Tube NOS-Testing MP-301 MK3 It has a thinThis beautiful new old stock testing Sylvania MANUFACTURED, Zenith LABELED 6C8G dual triode was tested on our Paul Hart calibrated for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 46 49 where minimum (65%) is 25 and 100% is 38 38. It has a dimpled, sheet getter; steel snubbers for lowered microphonics; dark gray rounded plates and outstanding flashing. I have played it (with an adapter) in one of my AC