Pair of Sylvania 6AV5GT vacuum tubes.
Tested with a calibrated TV-7D/U tube tester
Calibration by Daniel Nelson.
Date code: Matching 606

NOS/Used: used

Construction: black plate copper rods

Glass: clear no burn marks 

Base: tight

Tested at: 102 85

Average new 81

Minimum good 49

The minimum is equal to 65% of the life of the tube

Tested for shorts and gas. 
30-day free return. 

Your items will be packed very well and shipped promptly.

We combine shipping on tubes.

Always glad to answer any questions.

Thanks for looking!