T Trev98 Member Joined 2019 2019-03-28 9:35 pm #1 2019-03-28 9:35 pm #1 I am making a dual 18 sub box ,i need a total volume of 14.760 cu.ft i could only manage to get 13.299cu.ft .How much polyfill would i need to fill the gap?
I am making a dual 18 sub box ,i need a total volume of 14.760 cu.ft i could only manage to get 13.299cu.ft .How much polyfill would i need to fill the gap?
