enclosure for 18" btl fully loaded

[rushnrun 14]

here's the quick sketch to give you an idea... I don't have anything but copy paper and a pencil so that's how it's drawn up.. looks like a 3yr old drew it

port sides "are" flush with the side

written like a 3yr old as well

Edited September 11, 2008 by rushnrun

[coobies5 43]

its not l shaped? its just port length and height? just to be certain.

[rushnrun 14]

port just runs the bottom of the box, so no L shape

[coobies5 43]

so 6in. x 22in. port would be 34hz?

[rushnrun 14]

yep

6 tall 15wide 22 long port gives you roughly 34 hz... pending on how you brace (it's actually a 33 hz tuning but after displacement of bracing you should be right around 34... I didn't plan any bracing for you.) My general rule... brace each solid panel atleast every 18 inches

[coobies5 43]

i will do, and i appreciate your skills and helpin me out.

[bristabrock 0]

haha yea, hurricane messes everything up, i just designed a box for my friend for 2 re sx 15's in a extended cab z71, sub and port facing forward and hes rushing to finish before the hurricane passes, but if hes done before you start ill tell you how it sounds

[coobies5 43]

haha, yeah this time yall dont have to evacuate haha, we do! well, im alright so far, we're on the dirty side of it, so its probably going to be a few days before i start on it which sucks. but yeah, let me know how your friends sound and did yall happen to grab some pics while building it?

[bristabrock 0]

well, we always say that we are gunna take pictures of our projects, and i wasnt there to help build it but im pretty sure that he was way too lazy to do that lol, sorry, maybe next time on one of our upcoming projects well do it if we remember like when we do mine, 18 facing forward port up, or the 4 15's in a oldmobile, speaker up port towards truck, or the l7 15, speaker forward, port sideways

[coobies5 43]

what are you giong to do for your vehicle?

[bristabrock 0]

i got an old school audiobahn immortal 18 (will soon switch it with a btl or wait for the the ssa xcon) and im putting it my ford ranger extended cab, 7 cubes tunes to 30 herts, sub facing forward, port facing up since thats all i can really do with such a small space and such a big box

[coobies5 43]

oh nice, should be ridiculous, i might add a 2nd btl in a few months or so.

[bristabrock 0]

dam, that would be pretty bad, what are you gunna be pushing that with, by the way ill be pushing mine with a audioque 2200

[coobies5 43]

right now, im going to use my crappy hifonics amp, til i get a saz-3000d and some batteries

[bristabrock 0]

wow, with those sundowns you will put EVERYONE around you to shame, lol and i just realized your in houston, my neighbor who sold my the 18 just moved to houston saturday to go work at a place called johnsons supply

[bristabrock 0]

wow, with those sundowns you will put EVERYONE around you to shame, lol and i just realized your in houston, my neighbor who sold my the 18 just moved to houston saturday to go work at a place called johnsons supply

[coobies5 43]

i'm actually in crosby, but i usually am in houston more then here, but johnsons supply, rings a bell but not too sure why it does haha.

[coobies5 43]

here's the quick sketch to give you an idea... I don't have anything but copy paper and a pencil so that's how it's drawn up.. looks like a 3yr old drew it

port sides "are" flush with the side

written like a 3yr old as well

quick question all throughout the hurricane i tried figuring out how im going to do this, and so i take it i have to have the port inside the box? meaning instead of having just 7 pieces without including the double baffle, why is there 9? i have to have "walls" for the port? meaning i have to have 2 "sides" ?

i think i know what you meant, but just want to clear this up correctly and not do something dumb.

[rushnrun 14]

quick question all throughout the hurricane i tried figuring out how im going to do this, and so i take it i have to have the port inside the box? meaning instead of having just 7 pieces without including the double baffle, why is there 9? i have to have "walls" for the port? meaning i have to have 2 "sides" ?

i think i know what you meant, but just want to clear this up correctly and not do something dumb.

yes the ports have sides... It's easier to assemble that way.. you can do away with them if you like and increase the port length...

I put the port together first and assemble the rest of the box (excluding the bottom.) line the port up, glue/secure it, then put the bottom on.. that way you have the sides of the ports to anchor the port to the box... for me it's easier that way.. I somtimes build several a day so I have my own little methods to get them done quicker.

[coobies5 43]

ok, thanks for clearing that up, tomorrow i should be busy building thanks again for all the help rushnrun.

[rushnrun 14]

no prob..

[coobies5 43]

one more question rushnrun, you put these specs

2 20x48

2 16.5x28

1 16.5x18.5

1 (16.5 minus port heigth) x 18.5

1 18.5x(port length)

2 (port length+.75") x (port height)

since theres 2 48" boards, shouldn't there be 4 then? this stumps me.

[coobies5 43]

yeah, i cut all the pieces yesterday and i just tried to piece them together and there is no way with those pieces a way for it to be a box.

[coobies5 43]

its not put together, just laid the pieces together to see how it would look, and thats what it came out to. in a while im going to go out and cut the sides to length then put it together.

[rushnrun 14]

wow sorry man I haven't been oh here today. The 28 was a typo-shoulda been 48.. when I copied and pasted I didn't catch the typo

use one of the extra's-{the sides that are too short}-- to double up under the sub (on the inside of the box-you'll have to cut 1.5" off the width.

then you'll need two boards 48 long instead of 28.. sorry again.. can't believe I missed that typo...

looking good though