[HClarkx]

Fast response ...... I hope you are getting some work done ... I need to soon.

I didn't follow your 20, 40, 60, 80 ... are these the choices on the sub variable phase control?

This leads me to ask one more question, can REW provide phase or "distance" at each of an array of sample frequencies?

Bruce, I'm sure you are right that if an auto EQ room correction system falls short, it's going to be below ~100 Hz and more often than not, rooms will have severe problems down there.

In a bit of experimenting with sub locations with a higher WAF rating, I did find some with a range of +10 to -15 db under 100 Hz that would take some powerful EQ to solve. And, frequencies at the peaks and valleys were different at each seat and no EQ system can solve that.

Harrison