port size

What’s up guys/gals, Ive been browsing for weeks at all sorts of subwoofers but still can’t make a decision for certain how to set up my next enclosure. At this point my electrical is well prepped. I have a singer 250a alt (the largest they could build to fit in the stock location for my 1st...

Im building a new box design for 2 sa12s on 2k currently have 2 4inch aeroports 12inch in lengh. was wondering whats the difference if i ran one 8inch aeroport vs having 2 smaller? might have the port firing the same way as the subs or off to the side still undecided. Thanks

I am building a box with round tube port the person that helped me with the design suggested 6" diameter by 14" long port due to that size only being available in sections that cost $50 I have to use 4" diameter tube when I did the port calculator it says the port only needs to be 5" long and I...

Anyone know of a good box designer site and where should I have my box tuned to for good spl or where should it be tuned to for lots of movement

I just built a box for my alpine swx 1242d. The boxes dimensions are 13.5H x 25W x 15L using 3/4 in. MDF. And I'm putting a slot port in on the left side of the front peice. So my port would be the height of the box. I want to tune it to 24Hz. This is my first time tuning a box and I'm a little...

I am currently planning a nice little sub box for a 15" Vega V-MAX. Its only one sub so nothing super special, I know it would be better to have two but lets not go there. The box I am planning is going to be uncarpeted, however not unfinished. Its going to be stained black with a nice red...