Tested with a calibrated TV-7D/U tube tester.
Calibration by Daniel Nelson.Tested at: 102/106 plate current 11.7/12.1
92/111 plate current 10.5/12.6
90/104 plate current 10.8/12.4
Average new: 83/83
Minimum good: 50/50
The minimum is equal to 65% of the life of the tube.
Tested for shorts and gas.
Matching date code: -KC
NOS/Used: used
Construction: offset black plate [ ] getters
Glass: clear
Base: tight
30-day free return. Your items will be packed very well and shipped promptly.
We combine shipping on tubes.
Always glad to answer any questions.
Thanks for looking!