One (1) 6SN7A 6SN7GT Sylvania vintage vacuum tube, made in USA, for US Navy
tube has black ribbed bad boy plates, chromed dome,
metal base, tube tests: 90, 90 % Price is for all tubes pictured. We test all tubes we sell! We will combine shipping! Checkout 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.