Guides
Loudspeaker design guides
Short, practical explainers — each one links straight into the calculator it describes.
Sealed vs ported speaker boxes: how to chooseSealed boxes give tighter transient response and a smaller cabinet; ported boxes give more low-end output and efficiency. Use EBP and Qts to decide.Ported box calculator: volume, tuning and port lengthCalculate a bass-reflex box: enclosure volume (Vb), tuning frequency (Fb), and the exact port length, with port air-velocity (chuffing) warnings.What size box does my subwoofer need?Box size depends on the driver's Thiele/Small parameters (Vas, Qts, Fs). Enter your driver to get the box volume, tuning and F3 for a sealed or ported design.