Matched Pair Tung-Sol 6AR6 6AR6WA Milspec Industrial Vacuum Tubes NOS-Testing A Very Merry CSS-997 anode radiators for cooler operation

anode radiators for cooler operation and longer tube life and saucer getters

new in box industrial-grade GE 6679 / 12AT7 dual triode was tested on my Hickok 600A for shorts

Two are National Union and there are one each of GE and RCA

it is new old stock and is simply an outlier that

Matched Pair Tung-Sol 6AR6 6AR6WA Milspec Industrial Vacuum Tubes NOS-Testing A Very Merry CSS-997 anode radiators for cooler operationThis new old stock testing matched pair of milspec industrial Tung Sol 6098 6AR6WA output tubes was tested on Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 42 while Tube Two measured 44 where minimum (65%) is 27. These are beautiful tubes! Each has six mica snubbers for increased resistance to vibration; flashing is excellent and the bases appear to be made of micanol. WE HAVE SCORES OF