General Electric GE 5Y3 5Y3GT Vacuum Tube Rectifier Black Plate Thirtyfive Fiftyone new in box CBS black

new in box CBS black plate 12AV7 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box RCA 6CG8A tubes tested to spec on our Paul Hart-calibrated TV7/U

I have played them in my Radio Craftsmen RC-2 monoblocks with adapters (not included) and they sound outstanding

coke-bottle-shape glass envelopes and terrific flashing

General Electric GE 5Y3 5Y3GT Vacuum Tube Rectifier Black Plate Thirtyfive Fiftyone new in box CBS blackThis 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