General Electric GE 5Y3 5Y3GT Vacuum Tube Rectifier Black Plate Gray Glass There were no shorts or

There were no shorts or gas and they tested as follows:

This matched pair of Westinghouse black plate 12AU7A / ECC82 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

I just cleaned this three record LP set on my VPI 16

copper support rods and outstanding flashing

new in box RCA 8AR11 tube tested to spec on our Hickok 800 tube tester

General Electric GE 5Y3 5Y3GT Vacuum Tube Rectifier Black Plate Gray Glass There were no shorts orThis 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 58 50 where minimum (65%) is 40 40 and 100% is 62 62. It has a bottom, D getter and a 4 09 188 5 date provenance 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 "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931