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p3bumpin
01-22-2009, 01:38 PM
i plan on using aero ports on my next box for my 2 15" AQ HDC3. The box will be about 8.5 cubic feet, and wanna use an external aero port. My question is how many and what size aeros should i use?

Tinted
01-22-2009, 01:39 PM
i have some 9" aero ports for sale. would work nicely in a 8.5 cube box in the caravan.

ARSkemp
01-22-2009, 02:10 PM
^^^ that would work,

you can also look into 2-3 6" aeros (3 6" aeros worked well in the box in my avatar, and its 8ft^3)

basshedz06
01-22-2009, 05:29 PM
aero ports work good in any box just depends on what you want them for, if your going for higher spl i say go for it but for everyday they are good too but just a reagular slot will do you fine for everyday. i think.

15nissen
01-22-2009, 05:31 PM
aero ports work good in any box just depends on what you want them for, if your going for higher spl i say go for it but for everyday they are good too but just a reagular slot will do you fine for everyday. i think.

I feel that aeros will generally always be louder then a typical slot port box. Most people want to make the most of their equipment, aeros provide that.

p3bumpin
01-22-2009, 06:20 PM
so what would be best. I wanna have a setup thats best for everyday bumping but yet be able to get a good score on the tl. If i have to, i can get two sets of aeros, one for everyday use and one for spl. I plan on tuning to 38 hz for everday use. I just need to know how many and how big of the aeros i should use. Whats the best site to buy them from?

bull
01-22-2009, 06:20 PM
where can you get aero ports

Buck
01-22-2009, 06:21 PM
where can you get aero ports

:search:

NewAgeKing
01-22-2009, 06:23 PM
where can you get aero ports

4 Inch.
http://www.parts-express.com/pe/showdetl.cfm?Partnumber=268-352

6 Inch.
http://www.parts-express.com/pe/showdetl.cfm?Partnumber=268-354

They also make 2 inch ones and 3 inch ones.

p3bumpin
01-22-2009, 06:23 PM
is partsexpress the cheapest place to get them

p3bumpin
01-22-2009, 07:24 PM
if i were to do 4 6" aeros, how long would they have to be in order to tune the box to 38 hz?

mcsoul
01-22-2009, 07:27 PM
8.5 cu ft is the net dimensions or gross?

gross includes the port and woofer displacement, net is
just the airspace for the woofers.

p3bumpin
01-22-2009, 07:43 PM
net, sorry for forgetting that info

skmfkr
01-22-2009, 07:51 PM
you only need 2 6" aeros for 2 15s in 8.5cF and www.edesignaudio.com has 6" for $30 + shipping


edit* well 3 would probly be best but 2 would also probly work

and 4 6" you need 20" long and they dont come that long

p3bumpin
01-22-2009, 07:52 PM
i was told 4 6" aeros is best

roarzorz
01-22-2009, 10:21 PM
Three 6" ports is plenty for two 15s.

mcsoul
01-22-2009, 10:53 PM
If you add four 6" areo ports to 8.5 cubic feet of airspace tuned to 38Hz; each one will need to be 20" as stated earlier. Also Remember, you need to account for their displacement.

566 cubic inches each x 4 = 2264/1728 = say 1.32ish including plastic.
Then ad .2 for each woofer (my guess) and you get a total of around 10 cubes not including any bracing.
(which you really need for this type of box)

Another major point is that these 20" ports will need to mount in a location (ports back as you stated) with a nice 30" or more mounting depth. Way over the port diameter between the interior port opening and the wall.

Also I agree that only 3 are needed and they can be 14" each.

Lakota
01-23-2009, 12:11 AM
I don't think aero's are louder than slots, but they're much easier to work with and design.

15nissen
01-23-2009, 01:46 AM
I don't think aero's are louder than slots, but they're much easier to work with and design.

I have had many of each, for whatever reason aeros have ALWAYS been louder. Maybe that says something about my box building skills.:(

but agreed, they are worth every penny for how simple they are to work with.

p3bumpin
01-23-2009, 01:18 PM
thanks alot for the help. What would better louder internal aeros or external aeros. I have a caravan so i have a decent amount of room.

15nissen
01-23-2009, 01:36 PM
thanks alot for the help. What would better louder internal aeros or external aeros. I have a caravan so i have a decent amount of room.

I don't think it will make an audible difference. The only difference with having the ports mounted in vs. out, and the displacement each individual port is taking up. Having the ports inside also "Looks" more normal, then 4 of these 18 inch deals hanging out your box.

Example

http://i50.photobucket.com/albums/f339/dja4260/prots.jpg



VS.


http://i50.photobucket.com/albums/f339/dja4260/Picture044.jpg

Lakota
01-23-2009, 03:39 PM
External is cool.

DBDRAGGUY
01-23-2009, 03:49 PM
i was told 4 6" aeros is best

4 6'' aero's is 112 sq inches of port.

Aero ports are more efficient and you wont need any more than (3) 6'' ports

Also keep in mind the more port area you have the longer the ports will need to be when tuning it.

p3bumpin
01-23-2009, 09:30 PM
^^^ ya thats what i have been told. How long would the tubes need to be in order to be tuned to 38 hz if i use 3 6" aeros.

ARSkemp
01-23-2009, 09:34 PM
^^^ ya thats what i have been told. How long would the tubes need to be in order to be tuned to 38 hz if i use 3 6" aeros.

http://www.psp-inc.com/

there's a port length calc there

if the ports are going in the box don't forget to count for their displacement...

p3bumpin
01-23-2009, 09:37 PM
im gonna do the ports externally

ARSkemp
01-23-2009, 09:58 PM
im gonna do the ports externally

reading>me

that calc should work prefectly for you then...

stevew007
01-23-2009, 10:11 PM
I don't think it will make an audible difference. The only difference with having the ports mounted in vs. out, and the displacement each individual port is taking up. Having the ports inside also "Looks" more normal, then 4 of these 18 inch deals hanging out your box.

Example

http://i50.photobucket.com/albums/f339/dja4260/prots.jpg



VS.


http://i50.photobucket.com/albums/f339/dja4260/Picture044.jpg

well in a crx it's about the port/woofer placment