Ken Rad JAN -CKR 12K8Y vacuum tube
Tested with a calibrated TV-7D/U tube tester.
Calibration by Daniel Nelson.
Tested at: 38/58
Average new: 42/ 50
Minimum good: 20/30
The minimum is equal to 65% of the life of the tube.
Tested for shorts and gas.
Date code: SC961A
NOS/Used: used
Construction:-
Glass: -
Base:
octal
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!