So I have my Mesa 400+ with my Bergie 4 Ohm 610. I plug that into the 2 Ohm section. Now I have my new 115 cab (which I am going to get soon ) which is most likely 8 Ohms. Now I plug that into the 4 Ohm jack, and all is good. But what I want to know is how much power is going to each cab?