Feature●Mica spacers with metal springs eliminate tube rattle and microphonic●Superior tone and performance to most other 6L6 or KT66 types●Platinum pair (2 tubes), computer-matched by manufacturer on proprietary equipment●5881 equivalentDescription
Power Beam tetrode with large plate dimensions and improved grid structure for increased power handling capabilities. Modeled after the vintage RCA 6L6GC "black plate".