General Electric GE Type 80 #80 Vacuum Tube Rectifier Black Plate Shoulder ST-Shape 3 12V6 Lot Of Three new in box RCA 45Z3

new in box RCA 45Z3 tubes tested to spec on our Paul Hart-calibrated TV7/U

The number will change as time goes by and Etsy will indicate how many are still available

top mica spacer and a bottom

I just cleaned this signed copy on my VPI 16

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

General Electric GE Type 80 #80 Vacuum Tube Rectifier Black Plate Shoulder ST-Shape 3 12V6 Lot Of Three new in box RCA 45Z3This 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