Sylvania 5Y3 5Y3G Vacuum Tube Rectifier Black Plate ST Shoulder Shape AL9599 ALB6-8290 new in box matched pair

new in box matched pair of RCA 6FQ7 / 6CG7 dual triodes was tested on our TV7/U for shorts

new in box milspec National Union JAN-CNU 2X2A VT-119 879 tube tested to spec on our Paul Hart-calibrated TV7/U

Tube One measured 76/76 and Tube Two measured 79/77 where minimum (65%) is 50/50

IN OVER OVER 7000 SALES

Sylvania 5Y3 5Y3G Vacuum Tube Rectifier Black Plate ST Shoulder Shape AL9599 ALB6-8290 new in box matched pairThis black plate Sylvania MANUFACTURED, Philco LABELED 5Y3G rectifier tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 50 53 where minimum (65%) is 40 40 and 100% is 62 62. It has a nifty, old fashioned Coke bottle; a dimple sheet getter, outstanding flashing and a P1 date code. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO