BOX CALCULATION FOR DD SUBWOOFERS recommended volumes
10"
= ~25 litres / ~0.9 cuft and up
12"
= ~45 litres / ~1.6 cuft and up
15"
= ~75 litres / ~2.6 cuft and up
to calculate the port size and total volume
(woofer and port displacement included)
choose the woofer model and tuning, then enter
the box volume (NET) either in litres or cuft.