SPL & SQ / Fabrication

What's the best way to figure out the displacement for each one of these? They will be about 15.75" long & 1.5" in diameter. I used them on the last build I did for the blazer, and they held strong, and were easy to use. So I'm thinking of using them again with my next one. Thx for the help.

Well I dont know were this falls into but my brother wants to change were his Soundstream BX-10 remote is I took a few pics of his dash and pretty much the interior so you guys can give us some ideas. It is a like an epicenter but not the original not an amp remote.I also want to know if you can take apart the box were the knob is and make it that"custom look"

I'm going to be building an enclosure for a friend here in the next couple of weeks for 4 10's. I drew out the layout of the box on a big piece of paper. The original plan was to have the 4 subs upfiring with the port facing back. However, 2 of the subs are really close to the port opening in the box. I'm just wondering if the subs being as close as they are, if it will affect the way the subs perform. I have an alternate plan to face 2 of the subs upfiring toward the middle of the top baffle, and have 2 rear firing on the same baffle as the port. I have drawn a simple sketchup of what it would look like in both situations so you kind of get an idea of what I'm talking ab…

As many boxes as I built, my mind went blank today. I am trying to build a 30in long port with 1 bend. Do I measure in the center of the corner or along the inside port walls? Someone help a mind blank guy out?!

Anyone know if there are any major/non major SPL competitions in NJ area. I would like to go up and watch and maybe participate in the future. But mostly just watch in awe. Curt

I wasn't sure where to post this so it will probably be moved.. But im planning a new box and im debating what frequency to tune to.. The thing is that i have a box in my truck now that is tuned to 40Hz and I want to play sine wave tracks (30hz, 31hz, 32hz.. and so on) to determine where my box peaks at with cabin gain. I believe this will help me make my decision because I don't really know what hz is playing in a song and say my setup starts dropping of around 45hz now.. I may want it to drop off around 35hz.. Also i will use the tracks to compete if i ever build a loud setup. I buddy of mine used to have a cd with tracks like this so I know they're out there.. Could…

i have one orion hcca 12 with a hifonic 2600d that will run @ 2 ohms ...lookin around for design an the 12 xcon optimal ported 2.65 ft3 tune to 30 is the perfect size i need cant this box work well for the hcca12???lookin for loudness..... thanks

I don't want to keep bugging Jacob if other people here can help. I am building a ported enclosure for 2 Sundown SA 12's . A few questions , would it be good to tune them at 36hz? They will be on a Sundown 1500. Also, What i really need to know more then anything is the port dimensions. The max dimensions for my trunk is 22 Depth, 33 length, 16 Height. A sketch up would be really appreciated with the port calculated and what not! I will return the favor in some way *Shizzon are you around?*

Im looking to get a good SQ setup. Ive narrowed my options to the SSA Icon 12 or a Fi Q 12. Whichever one I get will be powered by a Cadence TXA-1000D amp. I cant decide on which one, hopefully somebody here will be able to help me decide. I listen to hard rock/metal almost exclusively and I drive a 97 2 dr Exploder. So, which has the best SQ with the most output? Thanks, Mo Also, if I get the BP option on the Fi Q and still just run that same amp would it make a difference?

Hope this is the right section. Anyone in the Myrtle Beach/Conway area we are having a metering session Dec 8 at Carolina Audio in Conway. Call 843-455-9121 for info/directions. It's not a show or competition per-say because we won't have trophies or classes, and it's not really a show because there's no forms to fill out etc. Just stop by if you want to get metered on a Termlab for a good price. I hope I posted this in the right place because it was originally meant to be a competition, but we didn't get things really together in time and it's just not going to be big enough to have classes or trophies. Should be fun though, and get a nice offical T/L score without the l…

Hey guys! Im looking for someone who knows how to build sub enclosures for a decent price. Im located in Shreveport, Louisiana, so anyone around the area can reply. I want a ported box for 4 15 inch havoc subs. Please help!

Enclosure for 12 FI BL Just wanted to see if anyone has any opinions on this box setup. 2.2 Cubic feet H x D x W 17" 13.092" 30" It would be 33 hz tuning. With port area of 30.8" . I am using 14 square inches per cubic foot Does this sound about right with my calculations or am I way off? I have the cut sheets written down but not sure if its needed in this post.

what are some tips to get good bass response into cabin of a big trunk car that the seats dont fold down? car is a 02 caddy deville.dont want to break the bank in electrical upgrades and equipment. want to run around 1500w or so. and spend 350-400 on subs not including box

I'm thinking about making a box for some older Rockford RFP1408's that I have, they are 200 watts RMS each, the only wood I have is a 30"x60" sheet of 1" MDF and another smaller sheet of 3/4" MDF. So, I'm gonna use the 1" sheet for most of the box, and the small 3/4" sheet for the front. 1.25 Cubic feet 1" x 11" port tuned to 33hz What do you think?

I'm in the process of designing an enclosure for my Fi BTL UFO 12. I've drawn up two different designs with the only difference being the way the port is constructed. I've seen it done both ways, but I am unsure which would be most beneficial in my situation. Each design is 2.85ft^3 net tuned to 33hz for a front firing setup sealed from the trunk of a 99 Pontiac Grand Am. Does anyone have any experience/input on which would work best for me as far as loading, port noise etc.?Please use "left design" and "right design" when referencing for clarity as I am unsure what to call each one specifically. Note: I will not be adding any 45's within the port, but each edge will be…

so, im currently redesigning yet another enclosure for my home theater mains. was wondering what the effects, pros, cons are on port placement. using a 3 inch round port. a 6.5 and a 1 inch tweeter. so top near tweeter or on bottom below mid or just rear firing? pros cons? im thinking port on bottom with about 2 inches of separation between port and mid.

I cant decide if i want my port to be in the middle of my 2 18's or @ the bottom below my 18's people reply back asap thanks=]

I think this is the right place to put this. Ok, I want loud, but not "boomy" bass. Is that possible??? I will be pushing my 2 RL-p 15's with an A2400DB Power Acoustik amp (1800w rms @1ohm). Would my best bet be to go with a sealed box?? Or should I go with a ported one?? I listen to hiphop, rock, and everything in between. I would like to have a good LSQ system. Any info you can give me would be great. Thx, Victor. B) P.S. this system is going into a s10 xcab. So the subs will be inside with me not in a trunk.

Alrighty, so I've got a few question. I'm building a ported box in my G35 Coupe and I'm using a round port instead of a slotted port. I'm planning on using these ports. I've been using this calculator to do it. Right now I've got a 2.0 cuft box, I plan on using 2 ports, and I'm tuning it to 29hz. After clicking calculate, it gives me the vent length of 9.13 inches. Does this mean I'll cut both of the cylinders to that length? Or where exactly does that measurement start and end? Also, any tips on doing a flared port box? Slotted was easy, but I wasn't sure if this is any more complicated. Also, what panel of the box should I have the ports for the best results? If it matt…

Will using 2 ports work or will my tuning be off? I'm going to be running a Fi BTL 18 in a 6 cube box and want to run 2 ports, one firing left, and one firing right. as long as I have the same area and length would I be OK?

Alright, well, for a build I am going to be doing I can choose between 2 4" aeroports, or 1 6" aeroport. When I put the 6" into WinISD it tells me a length of 23.25" is needed for my tune. And when I enter 2 4" ports it tells me I need a port length of 21.5". Now, is that a combined length between the two ports? Or does each one need to be 21.5" ?? Thanks for your help.

I was thinking about to the standard square ports, but last night I thought about doing one, maybe two, larger round ports using PVC. Has anyone tried this. I was thinking something like 8" diameter ports, maybe two of them. Since it is going in a blowthrough, is it also okay to extend the ports out a little, maybe almost into the blowthrough to ensure more pressure from the port goes directly into the cabin of the truck.

I got everything ready to cut untill I forgot... What tall is the mayhem 12". I have it ordered but don't have it yet. On site says mounting depth of 7.75 inches. I don't know what that means.. Help pleaseeee

Ok. I've had 2 12" kicker l7's for a while, but blew one due to shitty setup, and not knowing anything and clipping all the time. Now that I've matured in car audio and have learned to respect the sq and not just bump myself stupid, I decided I wanted to go back and find out what the L7 is actually capable of given the right box. Now is where the trouble starts. I have no idea where to start building a box. I really have no idea how to either. Right now, the two subs are in a prefab dual ported chambered box and that is all I know. One sub is blown too, and I have no idea the tuning. I really want to build a new box. I'm not asking for step by step directions, just some …