So if you’re a minimalist when it comes to processing, higher Qts is indeed better. But if you’re not averse to loading up your midbass with EQ, then you can possibly do better by using a lower Qts (or higher F3, or both) driver with a superior motor design.
What is subwoofer SD?
Sd: The surface area of the cone measured in square centimeters. Vd: This is the maximum amount of linear volume displacement the subwoofer is able to produce. It is the total air volume the subwoofer’s cone will move, measured in cubic meters. The formula Xmax multiplied by the surface area (Sd) is used.
What does XMax mean for subwoofers?
Peak Power Handling = A measure of power that could potentially be managed for short bursts. XMax = The distance a subwoofer voice coil can move in one direction without leaving the magnetic zone a.k.a. how far the woofer can move.