Sylvania GB-6201 12AT7 vacuum tube new old stock in box
Tested with a calibrated TV-7D/U tube tester.
Calibration by Daniel Nelson.
Tested at: 109/93
Average new: 83/83
Minimum good: 50/50
The minimum is equal to 65% of the life of the tube.
Tested for shorts and gas.
Date code: BC
Construction: short black plate round 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!