Hello and good morning everyone. I have a question about setting up two subs, to be integrated with my mains the best they can be. The front sub is a Klipsch R-115sw, the back sub is a Klipach RSW-15. My question is about delay. Gene has said in the past changing Delay is basically phase altering as well. With that being said he had a formula, for example, if your front LCR and Sub cluster is 5 meters away, and the back sub is 1m away. You subtract 1m from 5m. And your rear sub would need a 4m delay. My Z9 has put my front sub at 14ft. Which is accurate, and back sub at 10ft which is accurate. However now I'm wondering if I should change my back sub delay to 3.3 ft ? My front sub would be 4m away, my back 3m away, so 4 -3 is 1m. Delay of 3.3ft. Instead of leaving at 10ft where the z9 has delayed it. Any thoughts anyone ? I can't seem to integrate my subs to seamlessly blend with my system. And I have definitely figured out it's not as easy as just using a tape measure lol. Thank you