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

copper support rods

It comes with a box

I just cleaned this signed copy on my VPI 16

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