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Enclosure modeling, A little help ST 15" aero port.


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Posted

Ported%20Box_zpstcjmfrv1.png

https://web.archive.org/web/20130601145154/http://stereointegrity.com/index.php?id=60

T/S parameters for the Stereo Integrity 15" D2 sub

What do you guys think? Is a 20hz tunning way to low? should I change up the design?

Constricting factors are

Used in the calculator since it cut it off...

W- 30

L-20

H-22

Max:

Width- 38

Length- 38

Height- 22 (ish...could go higher but would rather not because its about 4-5 inches from the headliner)

I am looking for a simple ported enclosure with a aero port. If there is a different type of design that would be more efficient ON MUSIC then let me know. I could give two fucks about the meter.

Posted

One 3" aero port? No bueno.

"Nothing prevents people from knowing the truth more than the belief they already know it."
"Making bass is easy, making music is the hard part."

Builds:

U7qkMTL.jpg  LgPgE9w.jpg  Od2G3u1.jpg  xMyLoO1.jpg  9pAlXUK.jpg

Posted

Depending on how much power you are going to run you could get away with a single 6" or even two 4" aero ports. Port noise and compression are what you are trying to avoid with more port area.

Also, there is nothing wrong with tuning to 20 Hz if sound quality is more what you are focused on. You will be leaving some SPL performance on the table though.

I'd probably shoot for more around 4 cubes net airspace too.

"Nothing prevents people from knowing the truth more than the belief they already know it."
"Making bass is easy, making music is the hard part."

Builds:

U7qkMTL.jpg  LgPgE9w.jpg  Od2G3u1.jpg  xMyLoO1.jpg  9pAlXUK.jpg

Posted

Depending on how much power you are going to run you could get away with a single 6" or even two 4" aero ports. Port noise and compression are what you are trying to avoid with more port area.

Also, there is nothing wrong with tuning to 20 Hz if sound quality is more what you are focused on. You will be leaving some SPL performance on the table though.

I'd probably shoot for more around 4 cubes net airspace too.

alright that sounds doable, i may have to make the flares though. and leaving some spl behind is not a big deal. For power i am only putting 600w rms to tge sub so nothing crazy

Posted

To understand the advise you are given do some modeling yourself, it's a decent company and they provide the necessary infos to make reasonably correct use of your sub.

Posted

To understand the advise you are given do some modeling yourself, it's a decent company and they provide the necessary infos to make reasonably correct use of your sub.

Well I am using Stereo Integrity's recommendations for volume and running freq. so I am not throwing that to the wind. And no I have not done much modeling yet obviously. Would winisd be the program that would be best for modeling different ports for this size enclosure.

Posted

20 hz is this a home theater

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