Z v3 15" or 18" ?

[dbsupra 69]

56 sq in of port is a little on the small side for an 18 of this magnitude I think

[UDI 0]

my ports are going to be 0.8 cubic feet

so 0.8 cubes of port, and 5 cubes for sub

[ricksi30 923]

my ports are going to be 0.8 cubic feet

so 0.8 cubes of port, and 5 cubes for sub

How much port area?

[UDI 0]

two 6" ports, 25.5" length