Tested with a calibrated TV-7D/U tube tester.
Calibration by Daniel Nelson.Tested at: 88/93 plate current 17.7/19.8
87/87 plate current 15.1/15.9
100/100 plate current 20.8/18.1
89/95 plate current 15.9/17.6
100/101 plate current 20.4/20.7
Average new: 102/102
Minimum good: 62/62
The minimum is equal to 65% of the life of the tube.
Tested for shorts and gas.
Matching date codes: 83-04
NOS/Used: new?
Construction: gray plate saucer getter
Glass: clear
Base: -
30-day free return.
We combine shipping $1.00 for each extra tube purchase.Your items will be packed very well and shipped promptly.
Always glad to answer any questions.
Thanks for looking!