One (1) 6SC7GTY 6SC7GT JAN made June 1945, for US Navy, Tung-Sol vintage vacuum tube, made in USA,

tube has black smooth round plates, clear top, black glass, tube tests: 90, 90 %

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.