So I have an amp rated at 500 W at 4 ohms and 300 W at 8 ohms. I connect an 8 ohm cabinet rated 400 W. Thus, the cab is now getting 300 W delivered to it. I then daisy chain a similar cabinet (8 ohm, 400W) to the existing cabinet. So now the amp is delivering 250 W to each cabinet. Correct?