Slot port calculation -

Using port length calculator with the same numbers for a square slot port= But when you change the option of slot port

Enter the number of ports, vent diameter, box volume, and tuning frequency into the calculator to determine the port length

slot freebies cash frenzy Subwoofer Port Area Calculation How to calculate port area: To calculate port area, simply multiply the height by the width

slot madness login Online calculator can do the same thing http:www If your slot port width is 7, then the slot port height would be 7 sq in 7