Lot of four 6U8/6U8A vacuum tubes GE Sylvania CBS
Tested with a calibrated TV-7D/U tube tester.
Calibration by Daniel Nelson.
Tested at: 95/75 110/83 91/79 102/89
Average new: 95/95
Minimum good: 57/57
The minimum is equal to 65% of the life of the tube.
Tested for shorts and gas.
Date code: -
Construction: various
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!