General Electric GE Type 80 #80 Vacuum Tube Rectifier Black Plate Shoulder ST-Shape 3 12V6 Lot Of Three I just cleaned this signed

I just cleaned this signed copy on my VPI 16

solid top mica spacers

copper support rods

There were no shorts or gas and it measured / where minimum (65%) is 40/40 and 100% is 62/62

These tubes have mica snubbers for increased stability and lowered microphonics

General Electric GE Type 80 #80 Vacuum Tube Rectifier Black Plate Shoulder ST-Shape 3 12V6 Lot Of Three I just cleaned this signedThis perfectly balanced GE Number 80 rectifier tube was tested on our Paul Hart calibrated tube tester for shorts, gas and transconductance. It tested 54 in Section One and 54 in Section Two where minimum (65%) is 40 40. It has a top, rounded mica spacer; black plates and a bottom, dimpled sheet getter and a nostalgic Coke bottle style glass envelope. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT