General Electric GE 5Y3 5Y3G Vacuum Tube Rectifier Black Plate ST Shoulder Shape 8FQ7 8CG7 They have G 5R and

They have G 5R and G SR date codes

Both tubes measured 30 where minimum (65%) is 22

IF AN ITEM IS MARKED "DELIVERED

forward sound with great bass articulation as well

1 milliamps with a transconductance of 2260 micromhos while Tube Two measured 23

General Electric GE 5Y3 5Y3G Vacuum Tube Rectifier Black Plate ST Shoulder Shape 8FQ7 8CG7 They have G 5R andThis black plate GE 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 40 40 where minimum (65%) is 40 40 and 100% is 62 62. It has a nifty, old fashioned Coke bottle; dimple sheet getter, outstanding flashing and a 43 C2 date code. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE