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

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

Plates: gray ladder plate

They are dead quiet when the preamp is muted and sound good even with 6

C Grafica s

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