Need help with box for a couple sa-12's

[matj1990 11]

ok thanks

now for the final question how are you guys securing the aero ports ?? tight fit with glue ? drill hole through flair and screw down

[S.DeYoung 968]

Drill hole through flair and screw down. I don't use glue when securing to the box.

[matj1990 11]

ok thanks everyone !! wish me luck im going to need it lol

[matj1990 11]

first time building box first time home made aero port lol first time working with mdf all i have to say is i have mad respect for the pople who can do this and make it look good lol im doing my best will post pics when done with the box size i have i might have to do up fireing subs i dont think 27" wide is going to be enough becuase thats outside mesurment the sa-12 takes up 12.5 maybe i can stager them idk

[matj1990 11]

well box is done lol doesnt look like a pro did it but what the hell i used about 16oz of glue plus a whole tube of silicone she should never and i mean never leak lol seald inside and out plus during assmbly talk about overkill anyway

i only used 2 4" x12" Long aeros all they had at the store unless i wanted a whole 8ft tube but it wasnt goin to fit in my cavi lol

also when i mesured i forgot to add the width of the mdf into calculations so i had to cut the rear deck a little dont worry i didnt cut anything important box still was very snug

all im going to say is i figured i would have to redo the aero ports but i dont think im going to have to beacause this thing pounds and hits the lows great !!!!

im getting door flex and i can roll 1 window down put a hat in the window and she shakes pretty good

cant wait for my bc2000 so i can push 1200+ rms finaly there only getting about 800rms right now if that

[jrouter76 0]

It will displace .48 cubic feet

how did you get .48 cu.ft for port displacement?I used this formula:3.14x4x4 r^2 x L/1728 3.14x4x4x22=1105.28/1728=0.64 cu.ft.

[trod2902 26]

(3.14)(2^2)(22) X3/1728 = .48

Edited July 25, 2011 by trod2902

[matj1990 11]

Rather than make a new post ....

can i fit 4 12's in the trunk properly ??

17"h x 31"w x 27"d are my max trunk dimensions

right now with my current box im hitting 141.6 db on the term lab pass window down

box is subs fireing front port driverside rear

17.5h x 27w x 25d very tight fit becuase of height she rubbed pretty bad lol

i ask because im thinking about adding 2 more d4s and going .5 ohm

[zshortcut 0]

Alright I just found that. So we have 19mm xmax, two 12" woofers and tuning @ 30hz? I come up with 8.92 MINIMUM diameter if using round ports. If using slot port then 62.45 inches.

so am i looking at 3- 3" aeros ? idk lol remember im shopping at home depot so what should i be using

if you guys ever get the blue prints for this box, i want the same thing for my car, that vid is sweet!