I would always only dial the direct out using the PA or a PA speaker or just mic the cab and dont go direct, I always use a low and hi cut if running direct. 80hz to 8000hz is a good starting point Typically this is a feature in the cab block), I always find less bass and less gain than you think you need will make it sound killer. Me personally I would ditch the power and and cab and just use FRFR as your backline, this way you dial your preset to the FRFR and its essentially a PA speaker so then going to direct will usually sound good.