I just got my new AXE FX II and it sounds awesome, through studio monitors, but when i connect it with a solid state power amp with guitar cab, it sounds without as much gain as with the monitors, it sounds almost as the volume of the guitar is rolled off. I tested connecting it to the power amp section of a Blackstar head and it sounds as it should be. I am using global cabinets disabled but power amp sims on. What i am doing wrong? I,ve seen many forum members using power amp with cabs and sounds great.