port area per foot help

[Torres]

i have the same question, the torres calc doesnt give you advice on what it should be it just tells you hoe much you're at, any advice?

and it is not supposed to. it does exactly what it was designed to do. calculate. not give advice, it's no magic 8 ball lol. it doesn't know what subs you're using and this and that. there's no 'one port fits all' for speakers

two t3 600's 15s. and if i am coming off to be a jerk i am not trying to. just trying to understand. thank you for you input

i guess i could instead of putting the port in the middle like i would like i could put it on the front on the side so i have room to wrap it around.

you aren't coming off that way at all, no worries.

A port on the front on the side is the easiest way to get the proper port area AND proper length you need.

The thing (at least one thing) you need to consider with port area is the excursion of your sub. I really don't know how you figure it up, if you are running T3 stuff, ED is a good source for that. The port area allows air to flow (duh) and the more air (more excursion) the more area you need.

The tuning is completely unrelated to that. Tuning deals with the length of the port. Yes, smaller ports need to be shorter, but you don't adjust your port area for tuning. You pick the appropriate port area as for your subs, then decide the length to tune.

I am FAR FAR FAR from a port expert, and probably have something incorrect here. I am sure someone will correct me and help you out also.

so far that is the most correct way i've seen it described

ok. i understand the whole port area needs to be done first i just wasnt sure if there was a general rule of thumb to that or if its all down to pref. i message ed frequently it seems and im sure he is tired of me but he said that 35 hertz would be good for them so i just gota get back to him about area now i guess. thank for the input

The general ranges are usually pretty good, that is why most people use them. You should be ok giving a slot port between 12 and 16sqin per cube. Just understand that the 2 aren't really related, it's just what most people use.

alright another issue the torrens thing or whatever its called says 22 long for 35. 12volt's calc says 17 long for 35... which one of those do i follow?

you can follow whichever one you want. i cannot say how accurate the 12volt's calculator is. i am, however, quite confident in the accuracy of mine

[Torres]

The box size isn't important, what subs are your running?

???

Box size, port area(and shape), and desired tuning frequency are the three things that are going to affect how long the port needs to be.

that is true, but i believe he was getting at the point more specifically that port area should be relative to the speakers used, while port length is relative to tuning. and tuning is relative to net volume.

[MrSkippyJ]

The box size isn't important, what subs are your running?

???

Box size, port area(and shape), and desired tuning frequency are the three things that are going to affect how long the port needs to be.

that is true, but i believe he was getting at the point more specifically that port area should be relative to the speakers used, while port length is relative to tuning. and tuning is relative to net volume.

oh yeah sorry. I was only talking about box size and port area, I didn't make that very clear.

[Torres]

The box size isn't important, what subs are your running?

???

Box size, port area(and shape), and desired tuning frequency are the three things that are going to affect how long the port needs to be.

that is true, but i believe he was getting at the point more specifically that port area should be relative to the speakers used, while port length is relative to tuning. and tuning is relative to net volume.

oh yeah sorry. I was only talking about box size and port area, I didn't make that very clear.

nah it's fine. i knew what you were saying. but he's right too by the fact that shrinking or raising port area results in the lengthening or shortening of the port to maintain a certain volume, which also changes net volume. it's just that those aspects are not all as directly related as one may think.