Silvertone 6SK7GT vacuum tube tested strong
Tested with a calibrated TV-7D/U tube tester.
Calibration by Daniel Nelson.
Tested at: 77
Average new: 80
Minimum good: 48
The minimum is equal to 65% of the life of the tube.
Tested for shorts and gas.
Date code: 312
Construction: gray plate
Glass: clear chrome top no burn marks
Base is tight
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!