Four (4) 5687 Tung-Sol vintage vacuum tubes, made in USA,
all are black smooth plates, top D getters,
tubes tests:
92, 92 %
94, 92 %
92, 94 %
96, 96 %
Price
is for all tubes pictured.
We test all tubes we sell! We will combine shipping! Check out my other tubes!
Scale 1-100, good quality percentage on my Triplett starts at 54.