Beam tetrode power tube known for its sweet, warm tone. valve number equivalents include 6L6GC, 6L6GCR, 6L6G, 6L6GA, 6L6GB. These tubes are compatible with 5881 and any 6L6. Brand new vacuum tubes made OEM for Mesa Boogie by Shuguang. They were to be used in new amp production and are not labeled or packaged to be on a sales shelf.
Tested using the state of the art Roetest professional tube testing system.
Matched sets are matched with the new Maxi Matcher 2