3 Sylvania 50L6 50L6GT Vacuum Tubes Valves Tall Base Coated Glass Lot Of Three Plate Cap There is also a shield

There is also a shield between the triodes for reduced cross talk

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It has copper support rods

These eight new old stock

68 and 68 where minimum (65%) is 45

3 Sylvania 50L6 50L6GT Vacuum Tubes Valves Tall Base Coated Glass Lot Of Three Plate Cap There is also a shieldThis 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