Product Description
A closely matched pair of the highly sought Amperex Bugle-Boy 6267/EF86 pentode vacuum tubes made in Holland with same production code. Tube 1 tests 2200 uMhos, tube 2 tests 2300 uMhos (1250 uMho baseline). In original boxes with some condition issues. Tested on Hickok AN/USM-118B tube tester.