3 General Electric GE 12AL5 Vacuum Tubes Lot Of Three Historias De Toda Transconductance measured 67 in Section

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

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

new in box Sylvania 9JW8 / PCF802 tube tested to spec on our Paul Hart-calibrated TV7/U

new in box Raytheon 21LU8 tubes tested to spec on our Paul Hart-calibrated TV7/U

If you want them both

3 General Electric GE 12AL5 Vacuum Tubes Lot Of Three Historias De Toda Transconductance measured 67 in SectionThis new old stock, new in box lot of three GE 12AL5 tubes tested to spec on our Paul Hart calibrated TV7 U. a