Four (4) 6U10 Sylvania vintage vacuum tubes, made in USA
all tubes grey ribbed plates, clear top,
side O getters, tubes tests:
86, 88, 86 %
86, 88, 88 %
86, 88, 86 %
86, 88, 88 %
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.