the recto cab is Mesa's best kept secret. If everyone knew like I do what this thing is capable of, that would be the only cab they would sell.Think about the possibilities, just do the math about the different channels and what side (opened or closed) you would use. When you combine them, both open and closed, ****, the roar is there and u get the best of both worlds. Paired with the RK II is perferction and boogie knows it, I know I do.