If you can sacrifice going a bit bigger, 3 cubes tunes to 22Hz should give you good output for HT. Best, Mark THanks for the reply! THis would be a EBS alignment for the MAW-12 ? Any other suggestions for a subwoofer with the above criteria? This project is for a third party. The sub will be used for music and home theater use. EBS usually have some trade offs between upper octave bass and lower.