Matched Pair National Union NU 45 #45 Vacuum Tubes Including A 1P21 48 and 51 where minimum

48 and 51 where minimum (65%) is 32 and 100% is 49

1 milliamps' plate current while Tube Two drew 19

42 and 56 where minimum (65%) is 40

we have another Pajama Game listing for the time being

A nine out of ten

Matched Pair National Union NU 45 #45 Vacuum Tubes Including A 1P21 48 and 51 where minimumThis pair of National Union black plate 45 output triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 62 while Tube Two measured 69. Minimum (65%) is 47 and 100% is within a half standard deviation of 72 or so. These tubes have banded phi shaped mica spacers; GT and JY date codes; dimpled sheet getters; ribbed, charcoal plates and excellent flashing WE HAVE SCORES OF