3 Sylvania 50L6 50L6GT Vacuum Tubes Valves Tall Base Coated Glass Lot Of Three Plate Cap Plates: gray ladder plate

Plates: gray ladder plate

These eight new old stock

These tubes have steel support rods

34 and 35 where minimum (65%) is 25

3 Sylvania 50L6 50L6GT Vacuum Tubes Valves Tall Base Coated Glass Lot Of Three Plate Cap Plates: gray ladder plateThis 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