Two (2) 12SN7GT Sylvania vintage vacuum tubes, made in USA,
all are black ribbed plates, clear top,
bottom side foil getter, 3 hole black plates, tubes tests:
Price
is for all tubes pictured.
We test all tubes we sell! We will combine shipping! Check out my other tubes!
Tubes
are tested for emission, as well as for shorts, life test and grid leakage on
calibrated Sencore Mighty Mite tube tester,
on scale 1-120, good quality on my Sencore starts at 70.