Pair of Tung Sol JAN-CTL 6L6WGB vacuum tubes  
Tested with a calibrated TV-7D/U tube tester.
Calibration by Daniel Nelson.
Tested at: 39 plate current 39.6 
                 41 plate current 41.9
Average new: 42
Minimum good: 25
The minimum is equal to 65% of the life of the tube.
Tested for shorts and gas.
Matching date codes: 5906
Construction: smooth gray plate dual [] getters
Glass: clear no burn marks 
Bases are 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!