Description
Four (4) 3Q5GT VT-221 JAN CHS Sylvania vintage vacuum tubes, made in USA, for US military, tubes have metal ribbed plates, clear top, bottom side foil getter, made March, 1944, made for Navy, both same date codes, tubes tests: 92, 90, 92, 90 % 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.