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View Full Version : who knows how they do it???



bballer123
12-07-2006, 05:06 PM
I have heard quite a few times over the last month or 2 bout people with 6.5" subs sitting huge numbers and even 10/12" subs hitting 145-150's with a couple hundred watts.I guess its true "everything is enclosure dependent".

How is it possible for them to come up with the designs that they use? And what do they use like a horn loaded, bandpass(what order) or some type of hybrid box? I have always wondered what a box design that produces those numbers with minimal power would be.
Anyone here ever designed something like that?

phyphoestilic
12-07-2006, 05:08 PM
usually it takes alot of testing and alot of different enclosures before they get those scores. 150's with 2 12's isnt hard. But it does take good deadening, power source, etc.

Chevyaudio
12-07-2006, 05:10 PM
We did a 145.8 with 900 in a single 12 in a single cab truck, and a 146.1 with just a little more power. With good equipment its not that hard to accomplish this. Not tht big of a deal.

bballer123
12-07-2006, 05:10 PM
even though 2 12's hitting 150 might not be hard...with a good design...what would that consist of and how the hell is a 6.5" hittin mid 140's or higher

phyphoestilic
12-07-2006, 05:12 PM
There was a van with i think like 20 6x9's that hit 169.x, its on youtube somewhere. 6.5's can do 140, like u even said urself, it just takes a good design/install.

smd4life
12-07-2006, 05:12 PM
i saw a guy with 2 RE xxx mids hit 146,

it's all in the car, the box, and A LOT of testing, trial and error

Chevyaudio
12-07-2006, 05:14 PM
I know people that can make a 6.5 hit a 182, and shut the TL off. :fyi:

bballer123
12-07-2006, 05:14 PM
see what do this box designs consist of. its not just ur normal slot port and shazaam

Chevyaudio
12-07-2006, 05:16 PM
Just a box with a port. Nothing more nothing less. No crazy horn, or wild slot.

bballer123
12-07-2006, 05:16 PM
^ ??? cmon theres gotta be something more

tommyk90
12-07-2006, 05:17 PM
Just involves lots of testing and playing around with box size, port area and length, etc.

I did a 149.3 with a single 10" and ~800 watts.

No crazy weird box design, no weird bandpasses. It was a ported box, two 4" aeroports.

bballer123
12-07-2006, 05:18 PM
do u still have that box

phyphoestilic
12-07-2006, 05:19 PM
do u still have that box

it doenst matter, u would need the exact same sub, same car, same sound deadening, amp, and everything.

bballer123
12-07-2006, 05:21 PM
same amp? not really just same power and quality and settings, no? a good box is better than a "1 fits all" box

bballer123
12-07-2006, 05:25 PM
regardless of same equipment or whatever. i dont care bout that. could someone show an example of boxes that have been tested a ton like this or at least specs on it. i just wanna know what airspace is like and how much port relatively

Chevyaudio
12-07-2006, 05:32 PM
Need 180 db?

This is all you need, and a cheap 6.5 driver from Parts express.

http://img231.imageshack.us/img231/3775/deathboxbu9.jpg

That box is aprox. 8x8x8, but not to total scale. Just a visual idea of what you can build.

bballer123
12-07-2006, 05:35 PM
180? that would be alright if i wanted daily but i need least 190db with a 6.5" to stay in the runnings

tommyk90
12-07-2006, 05:37 PM
do u still have that box

Yes I do, but its serving a different purpose now. :)

bballer123
12-07-2006, 05:39 PM
^ so you are not willing to sell it for some xtra cash

Chevyaudio
12-07-2006, 05:41 PM
My bet is that there is no way he is gonna sell that box.

Flipx99
12-07-2006, 05:42 PM
Just a box with a port. Nothing more nothing less. No crazy horn, or wild slot.

You ever get "bored" again, I need you to help design me a box.

Chevyaudio
12-07-2006, 05:43 PM
You ever get "bored" again, I need you to help design me a box.

Shoot me a PM, ill do it.

bballer123
12-07-2006, 05:44 PM
what bout 80? doesnt he come up with some designs that get pretty loud that arent all dependent on testing of your car and freq and stuff like that

Chevyaudio
12-07-2006, 05:46 PM
Just getting a design, and building a box wont get you real loud. Testing is where people get loud.

Flipx99
12-07-2006, 05:49 PM
what bout 80? doesnt he come up with some designs that get pretty loud that arent all dependent on testing of your car and freq and stuff like that

He will make the design, but they don't always sound good. I felt I was louder of a simple ported box than my 4th order bandpass.

I don't think it is his fault as it did what he said it would do.

bballer123
12-07-2006, 05:49 PM
yeah testing requires tl and plenty of mdf tho right. oh and almost forgot countless hours of time

Flipx99
12-07-2006, 05:50 PM
Correct

bballer123
12-07-2006, 05:54 PM
def not looking to do that much. I am only looking for daily loudness. I was thinking of possibly even getting 1 or 2 15" Mach 5's then put like 900 watts on them sealed. would it be smarter to get a good design for daily and use 1 instead of 2 sealed

bballer123
12-07-2006, 05:57 PM
aight im off to work at bestbuy. ill read some more round 11 or 12

Savstyle
12-07-2006, 06:06 PM
Dont forget loud to the ear, is not the same as loud on a mic.

tommyk90
12-07-2006, 06:23 PM
My bet is that there is no way he is gonna sell that box.

^^listen to this guy.

Besides, I'm still using the box. :)

phyphoestilic
12-07-2006, 06:26 PM
so ur deciding to go sealed, but u want a ported box that gets loud. Am I missing something here?

bballer123
12-08-2006, 02:27 AM
so ur deciding to go sealed, but u want a ported box that gets loud. Am I missing something here?

2 sealed cuz its easy and saves space. the other option was putting time into doing 1 in a good ported design. my bad if i made it a lil more confusing than it needed to be.

jdawg
12-08-2006, 10:09 AM
aight im off to work at bestbuy. ill read some more round 11 or 12

that explains alot right there

BASSMEKANIK
12-08-2006, 10:23 AM
im suprised justin hasent stepped in on this one...

stuckinok
12-08-2006, 10:23 AM
that explains alot right there

haha.. this guy need to realize tht each car or truck is different so one guy hitting 155 in a CRX and another with the same exact set-up but in a suburban might only be able to hit low 140s. Why do you wanna see what a good box looks like? If you seen one ported box you seen them all. Like most of the people in this thread said they didnt build any crazy bandbass or uber box they just took the time to test and tune thier system to their own car...

bballer123
12-08-2006, 04:17 PM
^ i know that and realize now that its just all in tuning and configuring everything. im not that serious bout car audio to put that amount of time into making it that loud.


that explains alot right there

so what would that explain? i dont work in car audio and the people that do dont know jack sh*t. ill admit that straight up. but dont knock me for working there unless you have something to back it up with.

Fattony911
12-08-2006, 06:21 PM
tell me what sub car you have ill have pete design you a box and ill build it for yah if you want, check this thread. I think im gonna take out my ava's and start running a pair of 8's for daily
http://www.caraudio.com/forum/showthread.php?t=199488
I ahve about 5 of his boxes that I personally use for ht and car audio. But also it takes a lot of testing and like it was also said loud to the ear is not always loud on the mic. What's your application send me a pm if your interested or i can just put you in touch with pete whicherver you want

coolahan
12-08-2006, 06:31 PM
so what would that explain? i dont work in car audio and the people that do dont know jack sh*t. ill admit that straight up. but dont knock me for working there unless you have something to back it up with.



haha burnt up