Tung Sol JTL 5654/6AK5W vacuum tubes matched quad military spec tubes
Tested with a calibrated TV-7D/U tube tester.
Calibration by Daniel Nelson.
Tested at: 31 plate current 10.8 
                 31 plate current 10.8
                 29 plate current 9.4 
                 30 plate current 10.9
Minimum good: 22 
The minimum is equal to 65% of the life of the tube.
Tested for shorts and gas.
Matching date codes 249
Construction: gray plate angled square getter 
Glass: clear
Base: 7 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!