2 National Union NU Number / Type 85 #85 Vacuum Tubes Valves Lot Of Two 14MM Harp Getter This lot of two Ken-Rad-MANUFACTURED

This lot of two Ken-Rad-MANUFACTURED number 19 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

a thimble getter and excellent flashing

Transconductance measured 77 for both tubes where minimum (65%) is 40

66 and 68 where minimum (65%) is 45

This tube comes in a box typically seen for large corporate tube users wherein various

2 National Union NU Number / Type 85 #85 Vacuum Tubes Valves Lot Of Two 14MM Harp Getter This lot of two Ken-Rad-MANUFACTUREDThis lot of two National Union type 85 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas, emissions and transconductance. There were no shorts or gas. Tube One measured 42 in its triode section where minimum (65%) is 25 and 100% is 39. The diodes measured 37 and 40, respectively, where minimum (65%) is 40 40 and 100% is 61 61. Tube Two measured 48 46 56, respectively. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE