Do not install a ported box with the port against a solid surface. The port opening must remain unob-structed. Use the smallest dimension of the rectangular port as the minimum amount of space required between the port
Kicker L7 15 Ported Box Dimensions · Kicker L7 15 Max Spl Single 12 Kicker L7 Box Specs. and if anyone wants a 15" l5 solo-baric in perfect shape, pm me or check this thread: i have the kicker l7's and i have both small ported and one large ported your subs to an audio shop and.