well I just built my box today outside dimensions are 35" wide x 14" high x 24" deep, the port is 5" wide and 12.5" long I believe it is tuned to 35.6 htz and is 4.2 after displacement, we will see how this works sometime very soon and I will post my results for ya
btw waht amp will you be using to push your 3001 subs?