Box for 4x 8" JL Audio W3's Ported @ 36hz

[BumpinKota 10+ year member]

Have a customer that wants a box for 4x 8" JL Audio W3's.

Heres what i came up with

35X14X16

Port is 3X13X21.75

Equals out to be 3 cubes after all displacement.

They are going in a civic trunk so im just doing this subs back port back.

Let me know if all looks good //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

Click to read more...

 

[RAM_Designs 5,000+ posts]

How is your port opening 3"x13"? Are you not using any of the walls for the port? I figured the box would be 14" tall and the port would be 12.5" or something...and you have 3.51ft^3 before any displacement.

 

[RAM_Designs 5,000+ posts]

Looks like the box will be closer to 2.5ft^3 after displacements and tuned in the upper 30's.

 

[FurbiesAndBeans 10+ year member]

nvm reading > me

 

[RAM_Designs 5,000+ posts]

nvm reading > me

What sides of it have MDF taking up space in the box?

 

[RAM_Designs 5,000+ posts]

nvm reading > me

it's cool

 

[BumpinKota 10+ year member]

Hey sorry,

its 14.5 tall 16 deep and 35 wide.

so interior would be

13x14.5x33.5 = 3.65cubes

port = 13x3x21.75 = .49 cubes

3/4 MDF is being used for this

 

[RAM_Designs 5,000+ posts]

3.65ft^3 gross

-.59ft^3 for port(13"x3.75"x21" is what's actually inside the box, right?)

-.25ft^3 for subs

-----------------

2.81ft^3 net

Then you have to factor in bracing if you're doing any. But yeah, pretty close. I thought the subs would take up more space, that's why I said close to 2.5ft^3 in my first response.

 

[BumpinKota 10+ year member]

hmm maybe ill add another inch onto the height i didnt think the subs would take up that much room but i guess there are four of them. And yeah thats interior dimensions of the port