Westinghouse 6X5 6X5GT Vacuum Tube Valve Metal Base Rectifier NOS-Testing Hardcover Press

Westinghouse 6X5 6X5GT Vacuum Tube Valve Metal Base Rectifier NOS-Testing Hardcover PressThis 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"

This lot of two National Union type 85 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

an engraved base and terrific flashing

Tube One measured 1900 micromhos

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

Tube Two measured 1740/19

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

These four GE 3AW2A tubes tested to spec on our Paul Hart-calibrated TV7/U

One is milspec

clear bottle 50L6GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

This new old stock-testing RCA clear top

Tube One measured 1900/1900 while Tube Two measured 1900/2250 where new/nominal is 2200

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