Product Description
A section and tube matched pair of new old stock Sylvania 6SL7GT twin triode vacuum tubes with coin base and the same production codes in original boxes. Tube 1 tests 1078 uMhos each section (700 uMho baseline). Tube 2 tests 1050 uMhos each section (700 uMho baseline). Tested on Hickok AN/USM-118B tube tester.