Westinghouse 6X5 6X5GT Vacuum Tube Valve Metal Base Rectifier NOS-Testing Hardcover Press new in box Tung-Sol 12SJ7

new in box Tung-Sol 12SJ7 tubes tested to spec on our Paul Hart-calibrated TV7/U

Tube One measured 1900 micromhos

Tube One is missing its centering pin (Please see Picture Four) and has been marked for safe and easy insertion

This pressing has light surface noise audible in quiet passages and barely audible in voice-level passages

Westinghouse 6X5 6X5GT Vacuum Tube Valve Metal Base Rectifier NOS-Testing Hardcover Press new in box Tung-Sol 12SJ7This new old stock testing Westinghouse 6X5GT rectifier tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 68 68 where minimum (65%) is 40 40 and 100% is 62 62. This tube has metal base; shiny, dark gray plates and a bottom dimpled sheet getter. 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"