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View Full Version : I need some confirmation on a summer project...



Aphix
03-24-2006, 05:49 PM
I have 2 12" Kicker Comps and have been lookin for a summer project, so I decided to up by bass effects with a ported box! my trunk dimensions are Width-43 Height-18 and Depth-30 (or Height-15 and Depth-34). The subs require 1.75 ft3 of space each. Im pretty sure the box plan I have will work but I figured I might as well check with you guys before I run off to Home Depot. The link to the box I think will work is here http://img10.imageshack.us/my.php?image=35cubes35hz54sqin9ij.png. Am I missing anything? Thanks in advance

Trixter
03-25-2006, 04:56 PM
60sq" of port tuned to 47hz....must be spl...lol

looks fine...:cool:

ngsm13
03-25-2006, 04:59 PM
60sq" of port tuned to 47hz....must be spl...lol

looks fine...:cool:

Trix is back? ;)

nG

Trixter
03-26-2006, 09:55 AM
Trix is back? ;)

nG

yep...been a while, huh...?

ngsm13
03-26-2006, 01:20 PM
yep...been a while, huh...?

Indeed it has my man, indeed it has.

I missed looking at the wonderful girls you always have in your sig and avatar...

nG

Aphix
03-27-2006, 07:27 PM
So the box will work?

Trixter
03-28-2006, 12:26 PM
it will for SPL should do well....

Aphix
03-28-2006, 10:11 PM
Thats what Im looking for but does that mean its gonna sound like **** for quality?

ilaydit
03-28-2006, 10:14 PM
id tune it lower if it was me, but its not so..

JL12W7INAGS300
03-28-2006, 10:19 PM
yeah tune lower, it will be loud but not sound good tuned that high.

Trixter
03-29-2006, 03:49 AM
Thats what Im looking for but does that mean its gonna sound like **** for quality?

for daily driving i try not to go over 40hz, 28-32 is my prefference, i thought you were making an spl box.

lmk if you want some plans drawn up....

Aphix
03-29-2006, 07:08 AM
Thatd be great if I could have some. This is just a daily driver car but I know kids with those $40 pioneers who are hitting harder than mine and I wanted to up the bass. My trunk dimensions are Width-43 Height-18 and Depth-30 (or Height-15 and Depth-34). The subs require 1.75 ft3 of space each for a ported box. Thanks for all the help Im not much of a ported enclosure pro.

Trixter
03-29-2006, 11:49 AM
here's what i came up with....

total vol.: 4.75cu' (i gave each sub 2cu' and accounted .25cu' for each sub and .25cu' for the port)
tuning freq.: 34hz
port area: 27sq"

cut sheet
box
-top/bottom: 18" x 36"
-sides: 18" x 13.5"
-back: 36" x 15"
-front: 15" x 17" (x2)
port
-13.5" x 8.75" (x2)

http://img530.imageshack.us/img530/3400/212kickercomps34hz5it.th.jpg (http://img530.imageshack.us/my.php?image=212kickercomps34hz5it.jpg)

remember, the port walls go inside the front pieces. the 8.75 long pluse the .75 for the thickness of the front equals 9.5 total length.

any q's lmk....

j3bus2k3
03-29-2006, 11:52 AM
that gonna be enough port area for 2 12's?

Trixter
03-29-2006, 08:03 PM
how about this instead...

cut sheet
box
-top/bottom: 19" x 36"
-sides: 19" x 13.5"
-back: 36" x 15"
-front: 15" x 16.5" (x2)
port
-13.5" x 14.75" (x2)

http://img519.imageshack.us/img519/5246/212kickercomps34hz8rc.th.jpg (http://img519.imageshack.us/my.php?image=212kickercomps34hz8rc.jpg)

Aphix
03-30-2006, 08:16 PM
Looks great trixter thanks for all the help. Ill be sure to email ya the url to the pics once i finish it this summer.

Aphix
04-05-2006, 09:19 PM
Quick question. If I took 1 or 2 inches off the width would it make a difference? Im worried about getting the box INTO the trunk. Theres a little curve on outside of it and Im worried that I wont get it past that.

Trixter
04-06-2006, 11:46 AM
if you actually make the box smaller, not just trim 2" off on one side and add it somewhere else, your tuning freq. will change...it will be higher. you may need to add a little to your port length to make up the difference.

Aphix
04-06-2006, 07:42 PM
what about 1/2" to 3/4"? My trunk is JUST under 36".