General Electric GE 5Y3 5Y3GT Vacuum Tube Rectifier Black Plate Tamarac Live It measured 62/52 where minimum

It measured 62/52 where minimum (65%) is 40/40

This tube has black plates

This Sylvania 6BQ7A tube tested to spec on our Paul Hart-calibrated TV7/U

Tube One measured 76/73 while Tube Two measured 79/72 where minimum (65%) is 50/50 and 100% is 77/77

These tubes are very-well-built and extremely-rugged

General Electric GE 5Y3 5Y3GT Vacuum Tube Rectifier Black Plate Tamarac Live It measured 62/52 where minimumThis black plate GE 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 51 56 where minimum (65%) is 40 40 and 100% is 62 62. It has a top, D getter, excellent flashing and 5 43 188 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 "LOWTECHTWOO" AND OR CALL OR TEXT US AT