Raytheon RKR 72 vacuum tube tested new
Tested with a calibrated TV-7D/U tube tester.
Calibration by Daniel Nelson.
Date code: E7862
NOS/Used: new
Construction: solid square getter
Glass: clear
Base: tight
Tested at: 125
Average
new 60
Minimum good 40
The minimum is equal to 65% of the life of the tube
Tested for shorts and gas.
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!