Thats a common thing in rogue amps. they are hard on tubes, factory Highly reccomendeds FACTORY matched sets only on outputs. those amps are great much better then most people might think. Ive spebt 2-3 times as much on 5 sets of mono blocks only to sell and buy new 120's.
hurricanes, vtl mb300, rogue zeus,ect
hurricanes, vtl mb300, rogue zeus,ect