June 27, 2001of course, as most of us here, i`m thinking about putting a somewhat "mad" sound system in my truck. i`d rather build the box than buy one to be cost effective. only problem is, i don`t know what kind of wood to use to build the box with. additionally, i don`t knokw if this matters or not, it will be a "full length" box. another words, it`s gonna be put behind the seat reaching from one pillar to the other since i`m planning to put some 6x9`s back there also. any help would be appreciated.
June 27, 2001For wood you are going to want to MDF medium density fiberboard. I usually use 5/8 don`t go thinner than 1/2 and anything thicker than 3/4 is a waste unless you are using some way serious power. As for size what ever speaker you decide on should tell you what the volume of the box should be. Then you get to calculating the size of the box. To find the volume of a square box you use Length x Width x Height = Volume If you plan on using a box with an angle on the front that is a little trickier, if you need to help calculating that let me know. A suggestion I want to make is to take your time and I like to glue all the seams to make it as airtight as possible.
June 27, 2001
Originally posted by Gettin` High:
As for size what ever speaker you decide on should tell you what the volume of the box should be.
........i don`t get it. i never was good at volumes in math. i mean, i read that, and i get as much as i can from Crutchfield and what not, but i still don`t get it.
Originally posted by Gettin` High:
If you plan on using a box with an angle on the front that is a little trickier, if you need to help calculating that let me know.
yeah, i`m planning to angle the face of the box to make sure that the back of the seat will be sittin where it`s supposed to and not the corner of my box. just curious, couldn`t i just take the measurements from a truck box already built by someone like Rockford Fosgate and just "adjust" them to the measurements i need?
i don`t know if you got my first post or not, but what i mean by me puttin 6x9`s behind the seat too is that i want to build a one piece box with 2 10" and 2 6x9`s in the same box, not split or what not. just one piece.
[ 06-27-2001: Message edited by: bowtiefan ]
June 27, 2001go to any car audio store, most do some costom stuff or can refer you to a place that can, it usually doesnt cost much coin and they do a real good job, carpet ad you good conetors and hide all the wires well, you do get what you pay for but atleast the can get the box built in the right demensions, to save coin you prob can get someone to just build a box, you can do all the wiring and carpeting
June 28, 2001As you said, in crutchfield they tell you the recommended box volume. For example if they tell you .7 cubic feet it would be 1209.6 cui or 70% of 1 cubic foot. Just for reference 1 cubic foot = 1728 cubic inches. If you are going to make it all one box I would suggest separating each speaker inside the box so instead of 1 big chamber if you are going to have 4 speakers you would have 4 chambers. I would also say to check around online because somebody may have made the same thing and be able to give you the specs... Also unless you plan on going to audio competitions your box volume doesn`t need to be exact, I have heard that you can fluctuate anywhere from 10% smaller than recommended to 30% larger, so I wouldn`t be overly concerned. And as for your other question about measuring some Rockford Fosgate prefabricated boxes, you can do that. The big thing to concern yourself with is make sure the box is deep enough for the speaker mounting depth.