Rectifier50,Recto-Verb,DualRec,TripleRec,Roadster,RoadKing,MarkIV,LoneStar,2:50,2:90,Recto2:100&Bass400+6V6STR-417TheMESA6V6STR-417isthelittlebrothertothe6L6andisallaboutclassicAmericantubetonefromyesteryear-Extremelysweetandbubblywithabeautifullydeepbassandspaciousshimmeringhighs,thistubedefinesvintage"...