SPL & SQ / Fabrication

I want to build a sealed box behind the back seat of my 08 Dakota Crew Cab. There is VERY little space back there, to the point that to get my airspace, I need to get rid of the back wall of the box. My idea is to use some damplifier pro or spectru sludge on the cab wall to create the back wall of the enclosure. Am I on the right track? Or is there a better way to do this. This is the only location I can use, due to restrictions from my wife. Thanks Rob

Please help, need enclosure ideas looking to break 150 while still being able to listen to music. I'm running a pioneer premier 3000.1 temporarily but will be changing over to hifonics cyclops. Any ideas would be helpful as i was debating a wall but am not sure what would be best. Have tried so many boxes that i'm tird of killing trees...PLEASE HELP!!! Thanks.

What % can an enclosure be off on recomended net cubes. I thought I remembered reading 10% somewhere. It's a daily driver.

I am almost done putting together the box, and someone pointed out that the opening looks a smaller than the other opening. I went out and measured it and realized that I made it 20.5 width from side to side of the port, and 22 length. It was supposed to be the other way around tuned at 33hz. Will this mess it up too much? Is there anything I can do to fix it? What would the tuning be at? Will this lower or higher the tuning? will it mess with the sound too much? I knew I fudgeed it up... I'm so pissed Btw, The length is of the top of the port. If you need, the sides go back 25.5, and height of 5.75

2 12" type r's at 1000wrms 1ohm ported. I'm upset with my box, it kinda sucks. The port wall isn't tall enough, and it's a little too big. I want aeroports for some reason, they've always caught my attention. I've also heard they sound better. Max dimensions are 14.5" height 26" length 37" width all external. I want the subs firing up and the ports going back. This box will be in the back of a '93 Range Rover Classic LWB. I can get pictures of the inside if needed. All daily use. Just need the box design, and cut sizes.

OK i need to run through and make a check with yall to see if my demisions are rgith for this box and its ports ok the box has 4.6 cuft and it will have 2 re sx 12's each displaces .16 cuft and a port that displaces .24 cuft so total displacement = .56cuft which gives the box roughly 4 cuft so i have the port 15w2H14L = 33hz does this sound ok

i dont wanna be rude... but.. im in kinda of a hurry... and im looking to hear from people who have tryed diffrent firing directions in a trunked car... sub up port up..... up into my trunk lid... there is only 5 inches of space above the box before the lid. sub back port up.... same thing 5 inches at the most before the trunk lid... but i may be more air to the cabin. sub back port back..... thats what i have now... but im passenger side ported and thinking of going center port. i have talked to a man that i know has the skills to make blue prints. hes talking center port,, smooth cornors, double wood all over! thanks guys, o yeah my trunk

07 toyota tacoma doublecab RE SL 10 Pioneer avic f700bt HU JL 6.5 components up fron and JL 6.5 coax in back Preferd matrial is mdf i've got a ton of it. But I am no strager to working with glass and dont mind it if will yield the best results. Im going for SQ im over the bckseat box thing. My goal is a very responsive package that will hit a wide variety of HZ. with ought ruining the sub or the amp. Have not purchased the amp yet but I am looking at Rockford Fosgate Punch P325.1 mono The space we're working with is tight Do I attempt to make an enclosure that will fit the exixting cavity in the starage area or do we pull it out and go for somthing bigger?

Hi, I would like to here opinions on Subwoofer designs, Setups, And enclosures for a Convertible to produce traveling low hertz bass with the top up and down. I have built many design in my 98 Mustang Convertible for Soundoff Contest and have hit as high as 154.3 DB's in a Usaci competition. This my car i have brough to the competitions Now i am looking to build a system using the back seat or trunk or both to produce that sound quailty traveling bass, not that loud rattling bass tat you can't enjoy in the car. has anyone done this in a convertible If so what speakers, enclosure and postions was used. I have thought of using a 3 high end 10" subs in the back seat in seal …

Feb. 7th Glen Burnie, MD Thorshammer is now a 150 trunk! :bigclap:

Ok, i just bought 2 Fi Q 15's with BP Power and a AQ2200D amp for my truck. I have a 2000 ext. cab dodge dakota and am looking for some enclosure help. I currently have an idea for a certain ported wedge design with my amps fixed to the bottom but it is only 6.2 cu.ft. net with 78 sq.in of port. A similiar design can be found here: http://mobile.jlaudio.com/gallery/detail.php?vehicle_id=1095. If anyone has a design in mind, and would like to show it, I can be emailed at [email protected]. Any input is welcome. Thanks in advance for your input.

I'm kinda interested in doing a T-line or horn or ABC enclosure, just want to do something different, or at least see if it will work. I read a couple of articles on T-line design, but I don't really want to do that much math. I'm just looking for some general design guidelines/ what to expect in terms of results for those types of enclosures, which is probably a lot to ask, since there is a lot that goes into the design and fine-tuning of those enclosures. For example, if i wanted to do a T-line for a 10" woofer, how large of a "pipe" would I need? How much do I need to offset the driver from the end of the pipe? stuff like that...

Lets just say I'm building a ported box. And the port is 6"x13" (Round port) How far away should the end of the port be from any wall? For example, the port is on the front wall. How far does the end inside the box need to be from the back wall? I think i remember it being 1/2 the diameter, but i could be wrong. If anyone could help shed some light on this one, it would be a great help.

Right now this is my setup and trying to see what class I would be in in db drag and others.. Subs:Mass destruction napalm 12"s x 2 Sub amp: Sound Stream xxx-6500d 1 ohms Front and Rear Speakers: PG zx-450 Also what DB range should I be looking at with this setup or DB class. I don't have a TL and have not tested it as I just got it all installed today.. I plan to go to my first comp here in the next month or so would just like to know what to expect.. Thanks

I got a box built for my 2 Funkin Audio 12" subs but something is wrong with one of them So I used 2 of my Mass destruction napalm's I had never used them before. I had the box built at 2.742 cubes ported to 40 for the funking audios the Mass destruction napalm seem to be doing ok and they seem very very loud.. My question is do you think they will be ok in this space or should I get 2 of something else like the BTL that is good up to 3 cubes.. I am running a xxx-6500d and they seem to be taking it ok I don't want to push them just yet as they are brand new. Open to suggestions don't want to smoke to new subs for sure.

i need to build a box around 2 cubic feet tuned at 33 htz with a maximum height of 17 inches, does this look right? also, sub up/port back or sub/port both back?

Aight, Ive got 2 18" daily Fi BLs dual 1 ohm, with cooling and flatwind option. Then I got a sundown saz-3000d, iraggi alternator, and more 1/0 welding wire than you could shake a stick at. Now I have very limited box building experince, and I know someone that knows someone, that has some experince. But I think he is limited in proper port designing, maybe. He has a shop called 352 Kustomz, small shop, two guys, do some crazy custom stuff. Very skilled in body work. So they start grinding away on my project, Its going to be more of a show box than a performce one. But he keeps on asking me the "port size" recommendation from Fi. I told him 5-10 cubic feet @ 30-37Hz , …

Where should i put the port? This is going to be in a blazer, and if back how much room should I leave between the port and tailgate?

can a fully loaded BTL 18" take for SPL burps ? provided with of course the proper ho alt & batteries need some info for planning a set for comp use

Whats the best way to mount an amp on a sub box and not have an issue of the vibrations messing up the internals of the amp?

Hi I'm making my box for 2 12" Fi SSDs and I can get my dimensions from the RE box calculator but how could I calculate a double baffle into it? I have been thinkin about it and I can not think of how I can calculate it and keep it at 4 cubes.

Im designing a new box for my FiQ for my blazer. I was was wondering where the sub and port should go? Sub up firing, port rear firing? Also if one or both rear fire how far from the tail gate should it be? Thanks

alrite i started a thread on here not to long ago abou tthe elastomeric coating that steve meade used on the inside of the his box and didntt get many replys. i am pretty much done with glassin the inside of my box but i havent started sanding yet. i read about painting the inside with 2 stage paint making it alot louder becasue the waves travel better across a smooth hard surface. but the only problem is i would have to sand the inside to no end. i was plannin on sanding it to an extent and then sprayin it with spray filler primer and going from there. but i have a deadline in a few months and i dont know if this is going to be possible. another factor is that i will bea…

My buddy had talked to me about building a box for his F-150 for 2 12" Xplods. Looking around I think it may be possibly to get 5 Cuft. (or very close) for the 2 12s. behind the seat I was curious what is the best way to face the ports and sub. I think the only way to face the the ports is up, but I do have the option of either down facing them down or foward. What is generally best practices for SPL?

is there any disadvantage to having an extremely large port? lets say 20+ inches per cube?