Delco 5Y3 5Y3G Vacuum Tube Rectifier Black Plate ST Shoulder Shape Traces Of Love Both have 939 date codes

Both have 939 date codes

They have matte

They were also Apex-Matched with readings very-similar to our own

Tube Six: 30

6 milliamps with a transconductance of 3060 micromhos while Tube Two measured 24

Delco 5Y3 5Y3G Vacuum Tube Rectifier Black Plate ST Shoulder Shape Traces Of Love Both have 939 date codesThis black plate Delco 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 42 54 where minimum (65%) is 40 40 and 100% is 62 62. It has a nifty, old fashioned Coke bottle; a D getter, outstanding flashing; a mica snubber for increased rigidity and an E7 date code. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE