Four SYLVANIA 6AG5 Tubes NOS GM%: 80 80 86 122 EM%: 86 88 112 114 AMPLITREX
Four Excellent SYLVANIA 6AG5 Tubes. There is One 8186 Heavy Duty 6AG5 Tube in this Quad. Discriminating Test Results from an AMPLITREX Tube Tester. Two New & Two Relabeled SYLVANIA Boxes Provided for Your Convenience Value-Added Tubes.