RCA 12AU7A/ECC82 vacuum tube 
Tested with a calibrated TV-7D/U tube tester.
Calibration by Daniel Nelson.
Code KL

NOS/Used: used ?

Construction: short gray plate square getter

Glass: clear chrome top

Base: -

Tested at: 96/104 plate current 11/8/14.1

Average new 92/92

The minimum good 56/56

Minimum is 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!