Just curious. Isn't the 12 o'clock position at half volume? If so, it would seem like the 4 o'clock position would be at full volume. I may be wrong, but I doubt that any subwoofer would be playable at full volume without some problems. That would be like turning your receiver up all the way it would go and not expect any problems.

https://docs.google.com/spreadsheet/ccc?...amp;usp=sharing