General Electric GE 5Y3 5Y3GT Vacuum Tube Rectifier Black Plate 115N01OT new in box milspec black

new in box milspec black plate GE 6Y6GT / JAN-CG-6Y6GT tubes both tested 56 on our Paul Hart-calibrated TV7/U where minimum (65%) is 40 and 100% is 62

I am playing it in one of my ArtSound single-ended amplifiers with Steely Dan’s seminal "Aja" album

42 and 45 where minimum (65%) is 30

These US-made 12SF7 tubes were tested on our Paul Hart-calibrated TV7 for shorts

US-LABELED 5GJ7 tubes tested to spec on our Paul Hart-calibrated TV7/U

General Electric GE 5Y3 5Y3GT Vacuum Tube Rectifier Black Plate 115N01OT new in box milspec blackThis black plate GE MANUFACTURED, Admiral BRANDED 5Y3GT rectifier tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 52 57 where minimum (65%) is 40 40 and 100% is 62 62. It has a top, D getter, excellent flashing and 58 13 188 5 date factory codes. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE