Select Box Calculator from the Box Calculator menu Enter additional volume value. Radius is one-half of the diameter as shown in the following equation. Easy and convenient build your box.
1532 in 12 in 1932 in 58 in 2332 in 34 in 3132 in 1 in.
Mm3 cm3 in3 ft3 lts. Like a box 25 cubic feet with the port or a 225 with the port in but the port doesnt count as part of the volume of the box. To calculate the port length of a round port enter the diameter of the port D the box volume Vb in cubic feet and the desired tuning frequency Fb. E nter the number of ports you are using the internal airspace of your box then tuning frequency you wish to use and then hit calculate button.