Question about sub box

[diforce]

Sorry about the english , just have a quick question , does the overoll box volume includes the port area ? I know that it includes the driver displacment but what about the port , and from where should start measuring the the port lenght ?

[makskoma]

question like thise you may ask at http://www.soundsolutionsaudio.com

[sharonarn]

yes they are included the port volume