3 Sylvania 50L6 50L6GT Vacuum Tubes Valves Tall Base Coated Glass Lot Of Three Plate Cap It measured 55/51 where minimum

It measured 55/51 where minimum (65%) is 40/40 and 100% is 62/62

These eight new old stock

68 and 68 where minimum (65%) is 45

34 and 35 where minimum (65%) is 25

3 Sylvania 50L6 50L6GT Vacuum Tubes Valves Tall Base Coated Glass Lot Of Three Plate Cap It measured 55/51 where minimumThis lot of three Sylvania tall base, coated glass 50L6GT tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 59, 72 and 76 where minimum (65%) is 45. This new old stock, new in box matched pair of GE 6FQ7 6CG7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 80 80 while Tube Two