Westinghouse 5Y3 5Y3GT Vacuum Tube Rectifier Black Plate

Westinghouse 5Y3 5Y3GT Vacuum Tube Rectifier Black PlateThis black plate Westinghouse 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 48 44 where minimum (65%) is 40 40 and 100% is 62 62. It has a bottom, double D getter and a 337 2R48 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

These tubes have top and side black / dark-gray bottles

They sound great in my Alan Eaton single-ended 45 amplifier (with an adapter

Admiral-BRANDED 5V4G rectifier tube was tested on our Paul Hart-calibrated TV7/U

Raytheon CK1122 Raysistor Control Circuit

new in box 12SC7s tested to spec on our Paul Hart-calibrated TV7/U

These three US-made number / type 59 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

There were no shorts or gas and transconductance measured as follows:

Tube Three: 19

Tube One measured 95%/93% and 95%/94% for Tube Two

beefy black plates: three mica spacers for improved mechanical stability and low microphonics

THERE ARE NO MANUFACTURERS TO TAKE PRODUCT BACK BECAUSE OF DESIGN FAILURES OR QUALITY-CONTROL ISSUES

These 11 RCA gray glass 6D6 tubes were tested on our Paul Hart-calibrated TV7/U for shorts