Guys - Wendell Diller, the man who arranged for me to test the Magnepan LRS (a wonderful $650 speaker) is discussing how they used the Sound Power Curve (he calls it power response) in developing their $30,000 per pair flagship speakers: the 30.7

The Youtube video is here:

https://www.youtube.com/watch?v=h_-uw3KpxxE&feature=youtu.be

He even gives credit to Floyd Toole