whats the tuning?

[bigmescan]

Ok sunday i built a box with my pops. and before i get a response HOLY SHIT this fukker is loud and lowest i have ever had. 1 15resx d4. the box is 43x17x17 sub forward and port up in middle of box at the back.the port is 12.75 long and 3.5 wide and the depth of the port is 13.5. the box is a lil over 5cbft. i think i have it tuned to around 33hz. please correct me if im wrong.

Box is 43x17x17

port 12.75long 3.5 wide 13.5 depth.

[bigmescan]

im trying to use torres calculator but i cant get it to work.

[Skullz]

Well with a displacement of .15 and 3 common walls i get 33.69

[Skullz]

Under the ports area for square ports use the upper boxes and the lower ones are for round ports like pvc pipe.

[bigmescan]

Under the ports area for square ports use the upper boxes and the lower ones are for round ports like pvc pipe.

i appreciate the help.

[bigmescan]

I never thought this 1 15 would outdo my 2 12'2's which were also resx's. now i only need 1 more.