Port Length

[Cameron]

I am in the process of designing a box for 4 re 8's. My dimensions for my trunk are 35 in width
10 in depth
10 in height

if my calculations are correct that should be just about 2 cu ft. I want to port the box but i am unsure how long and how big the opening is supposed to be for 35 hz.

Anyone know how to find this?


thanks

[Cameron]

No one?
I need some help please.

[Jmac2043]

this link might help ya

http://www.loudspeakers101.com/VentCal1.htm

[Cameron]

Is this accurate because i have tried on winisd and bcae1 too. Also do u know if 35in is big enough for 4 8's and a 3 in port. On paper it is exact but will that work?

[Cameron]

I got 43.97 in for the minimum area
6.63 for the length of side for a squre vent

then i put that i wanted a slot port with 5in height and a 3in width and it said 11.8 inches.

[Cameron]

does anyone know if that would be the correct port size?

[78nova]

i think the first link is the closest one

[Cameron]

what link is that the one about loudspeakers 101?