Lot of three GE 6197 vacuum tubes new old stock
Tested with a calibrated TV-7D/U tube tester.
Calibration by Daniel Nelson.
Tested at: 30
Average new: 50
Minimum good: 50 50 51
The minimum is equal to 65% of the life of the tube.
Tested for shorts and gas.
Date code: IE
Construction: black plate round getter
Glass: clear
Base:
9 pin
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!