Same setup with two different design specs WTF?

[Qbenjamin 10+ year member]

I had two different designs done by two totally different designers. Well, the trouble that the box depth (Box A) is a bit much for me to give up on one, and the other (Box B) seems to be too small. Not to mention that it has no bracing internally.

Box A (Was designed to have a plexiglass front)

Specs on this box are 36"(W) - 17"(D) - 16.5"(H)

http://i194.photobucket.com/albums/z51/qbenjamin/Polkfinalcorner.png

Box B (Basic dual box)

Specs on this box are 36"(W) - 12.5"(D) - 15.5"(H)

http://i194.photobucket.com/albums/z51/qbenjamin/GetAttachment.jpg

Neither box has a double baffle for the subs, but I normally go with internal bracing. Any help would be appreciated, as I really don't know which design I should use.

Click to read more...

 

[SPY 5,000+ posts]

Is this box ported?

I don't see a port opening but it looks like there is a port wall inside?

Also no one can tell which one is the right one if we don't know what your looking for.

Post up what subs you are using along with desired box vol and tuning if going ported.

 

[Qbenjamin 10+ year member]

Is this box ported?
I don't see a port opening but it looks like there is a port wall inside?

Also no one can tell which one is the right one if we don't know what your looking for.

Post up what subs you are using along with desired box vol and tuning if going ported.

Yes, that box is ported.

Subs are 2 Polk SR 10D4's.

Max dimensions are:

W - 36"

D - 17" (Less = Better)

H - 16.5" (Less = Better)

Desired tuning 30-33hz......

 

[mobeious 10+ year member]

the second one is 2.32 cubes after port displacment

the first one is 4.48 befor any displacment being i cant tell what the port is

with those subs i would shoot for 1.3-1.5 cubes per sub at 32hz

 

[Qbenjamin 10+ year member]

the second one is 2.32 cubes after port displacment
the first one is 4.48 befor any displacment being i cant tell what the port is

with those subs i would shoot for 1.3-1.5 cubes per sub at 32hz

So which should I use?

 

[Qbenjamin 10+ year member]

Specs on that second one are as follows:

Port piece # 1 9.25" X 14

Port Piece # 2 9.75 X 14

Port Width = 1.75"

Port area = 24.5"

Port Length = 21.75"

 

[Qbenjamin 10+ year member]

This should help out for the spces on the bigger box.....

 

[JBLCAMRY 10+ year member]

If you are not going to use the plexi, i will re-design it to accomodate the change, the only reason i had to do the vent that way was due to the Plexi.

 

[mobeious 10+ year member]

here ya go 2.8 @ 33hz