Excerpted from the guide at https://www.avsforum.com/threads/guide-to-subwoofer-calibration-and-bass-preferences.2958528/ written by https://www.avsforum.com/members/mthomas47.7878709/.
Cliff Notes:
Several people have suggested having some abbreviated HT calibration tips, so I have added a few prior to the actual Guide. Anyone wanting more detail on anything from room and speaker setup, to setting crossovers, to the differences between sealed and ported subs, to selecting and positioning subwoofers in a room, can find the pertinent information in the Guide itself. There are some similar abbreviated tips, to selecting subwoofers, at the beginning of Section VIII.
- Try to position speakers and subwoofers strategically, doing a "subwoofer crawl" if necessary. Section I-A gives some good general advice on locating the speakers on the front soundstage. (The front three speakers will have the most impact on the overall sound quality for most of the frequency range.) You can Google how to do a sub crawl, or yo