3 General Electric GE 12AL5 Vacuum Tubes Lot Of Three Historias De Toda These tubes have gray plates

These tubes have gray plates and nice flashing

952 and 0-39 date codes

Transconductance measured 67 in Section One and 65 in Section Two for Tube One and 67/69 in Tube Two where minimum (65%) is 50/50 and 100% is 77/77

This Sylvania 5AZ4 rectifier tube tested 47/49 on our Paul Hart-calibrated TV7/U where minimum (65%) is 40/40

Tube One measured 56 while Tube Two measured 57 were minimum (65%) is 36 and 100% is 55

3 General Electric GE 12AL5 Vacuum Tubes Lot Of Three Historias De Toda These tubes have gray platesThis new old stock, new in box lot of three GE 12AL5 tubes tested to spec on our Paul Hart calibrated TV7 U. a