4^ft 38hz box

[john denver 10+ year member]

Im still working on my desinging skills but i would like some input from the regular box builders as to what they think of this design. As long as i got all my math right this box is roughlly 4.1^ft after all displacement. Any advice or suggestions would be appericated. Thank

Box External dimensions

40X19X13.75

Internal

38.5X17.5X12.25

Bracing with 2X4's

brace 1: 2X4X38.5 side to side along back wall

brace 2: 2X4X12.25 from top to bottom against front wall

brace 3: 2X4X17.5 fornt to back against top of box

2 4" aero ports 9.5" deep 3" from floor of box

Tuned to 38 hz

Subs will be 2 audioque 12" SDC 2.5 powered by a sundown SAE1000D.

Click to read more...

 

[406er 10+ year member]

i think u need more port area. also whats wrong with a slot port??

 

[john denver 10+ year member]

i think u need more port area. also whats wrong with a slot port??

Nothing really i just though i try doing an aero port box that way i can take up a little less space

 

[Pioneer~Saturn 5,000+ posts]

Yea x2 on adding more port area...try (4) 4" aeros or a pair of 6" aeros.

But looks like a plan to me //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[john denver 10+ year member]

Yea x2 on adding more port area...try (4) 4" aeros or a pair of 6" aeros.
But looks like a plan to me //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

thanks for you input

 

[Buck 5,000+ posts]

Yea x2 on adding more port area...try (4) 4" aeros or a pair of 6" aeros.
But looks like a plan to me //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

x3

 

[mlstrass 5,000+ posts]

Do a slot port in the center and you won't need to add bracing...