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Found 70 results

  1. Port design question

    In regards to the image, here is my design for 2 warden 21" subs. Box is about 17.5 cubes total after displacement and some bracing. Port will be about 12" wide by 22.5" (internal dimensions) long about 33hz tuning (270" port area). So my question is, I can leave the spot underneath the port without a separator wall, or I can add a separator shown on the right. Aside from adding bracing to the box, would it lower port tuning a little? (in the thought of the air will hit the divider and move up, as if adding some port length?) If the subs allow I may make the port slightly longer, but tuning would max go to 31hz even if i add 6 inches internally to the port. So I dont think I will extend it if the box allows. The port will be pretty close to both woofers. I intuitively don't think it'll affect port tuning, but would it cause any issues adding the separator almost up to the port? Or if anyone has some input on changing where the port goes. The sides are very close to the vehicle walls so a port to the side may not be the best. And there isnt room to port forward.
  2. Hello, Im looking to get a box design for 2 NVX VCW 12s from specs it says they like lower tuning and around 1.5 to 1.85 cubes per sub. with that in mind id like to tune to 30/32hz also i have good electrical that never dips below 13.5, i will get at least rated 2k if not more my max room is 15.5" tall,34"wide,23" deep thanks!
  3. Hello, I want to run 2 PSI platform 1 12s on 2k, my voltage does not dip below 12.8 so i will be getting right around rated. I have a screenshot to show the upgrades, Biggest box i can fit is 34"wide 15" tall and 23" in length I would like for the box to be tuned so i can play slowed bass songs about as low as 26hz if the small space i have will allow it I would like a slot port design with the subs and port on the same side (center port) Thanks for looking and hopefully you can help me out! -Mike-
  4. So Its upgrade time and I plan on running 2 ascendant audio chaos 12s out of a trunk with the trunk being sealed, i would like to have the subs firing the same side as the port into the cab with the port centered between subs. Im looking for something with 4 cubes not including the displacements. tuned to 32 hz with 64" of port area and a 1.5" baffle i plan on using 1/2" allthread for bracing so it wont be an issue in taking up air space. Ive come up with a few designs but they dont work out, i need the box to be 34" wide with the height being 15" the depth cannot be greater than 26" thanks for the help!!! Also will be running on rated power
  5. Box design for re 12s

    just got 2x v1 re sex 12s thinking about doing a 4th order box or regular slotted box im going to power them on a aq2200.(i know there rated 600rms) thinking box tuning 32 ish hz since there fs is 25hz going in back of a 4 door pickup so max 30 deep 48 across 40 high any input on is great thanks theses are subs spec https://www.sonicelectronix.com/item_27312_RE-Audio-SEX12D4.html Subwoofer Series SEX (RE Audio) Subwoofer Size 12" RMS Power Handling 600 watts Voice Coil(s) Dual Impedance (Per Voice Coil) 4 ohms Voice Coil Diameter 3" Sensitivity 86.1 dB Xmax (millimeters) 18 mm Subwoofer Design Round / Circle Main Cone Color Black Woofer Composition Dual Composite 2-Piece Cone Woofer Surround Rubatek Foam Magnet Structure Triple Stacked Subwoofer Grille No Re-Cone Kit Available No Recommended Enclosure Specifications Recommended Enclosure Type Ported / Vented Sealed Minimum Sealed Box Volume 0.75 cubic feet Maximum Sealed Box Volume 1.0 cubic feet Minimum Ported Box Volume 1.5 cubic feet Maximum Ported Box Volume 2.0 cubic feet Top-Mount Depth 7" Cutout Diameter 11-1/4" Shallow Mount Installation No Electromechanical Parameters Free-Air Resonance (Fs) 25.1 Hz Equivalent Compliance (Vas) 72.9 liters Total Speaker Q Value (Qts) 0.44 Electrical Q Value (Qes) 0.49 Electrical Resistance of Voice Coil (Re) 2.8 ohms Mechanical Q Value (Qms) 4.5 Efficiency Bandwidth Product (EBP) 51.22
  6. Hi, I have ordered 2 sundown e-10's an amp, wiring kit, and everything else I'll need. It should arrive by thursday or friday. This is my first system, but I realized that I'm going to need a custom enclosure because just about none of the dual pre-fab 10 enclosures fit in the space I want. So i've gotten the measurements figured out, and how much volume I'll need, including displacement of speakers and my center brace. I'm going to be building the box tomorrow it's dimensions are 22.5 x 14 x 18 using 3/4" mdf. now that ends up being 2.06776 cubic feet of volume after a double thick (1.5 inches) center wall brace completely sealing each side from the other, and the speaker displacement is all figured in. so this is where i run into trouble i need to have 16"^2 port area, and have each side ported and tuned to 32hz and according to the volume calculator for rectangular enclosures and the slot port calculator on the12volt.com for a port that is 2inches by 8inches in a box w/ 2.06776 cubic feet of space i need a 17 inch port length, and if that's the case i can't put the port on the front because the subs will be in the way due to the width of the box being as narrow as it is, so i have to put them on either the back or the sides, but i don't have 17 inches of length across the back for each side. so is the 16"^2 of port area super necessary or should i try to make the box a little deeper, and then add some filling material (to compensate for the extra volume) and port it out of the back? i don't know that i can port it out of the back as is because again the box being as narrow as it is, and not being so deep, 18 inches depth and a 17 inch long port that is 2 inches wide wouldn't fit because the sub would be in the way. now maybe there is a super simple solution as far as design goes that i don't know about or havent figured out. but i'd greatly appreciate somebody's insight with some experience maybe i need to think up a different design for the box, or maybe not go with a slot port, i just really would like to get this figured out tonight so i can build my box tomorrow. any help or comments will be greatly appreciated. My maximum dimensions are 22.5"W x 15"H x 24" Depth Thanks for taking the time to read and respond!
  7. I have a boot size of 180 liters and my subwoofer is 12 inches(280 [email protected] OHMS), Please help me with the measurement of ported enclosure box, the current box has broken so please help with the measurement. Im ok to remove the extra speakers( see 2nd pic) to increase the size of the box. Please see the pics that i have attached
  8. Joe X please help sir. I need a box design for 2 X 15. Width is 46-48, height 20-22, depth 30ish. Tuned to 34. I'm really good with build sheets but these subs were so much I want to make sure the box is right. I promise I'm not here to waste your time. I have everything including the 1 inch MDF. Looking for subs up port up. Thank you for any time you can spare. Have a great day.
  9. From Torres to CAD

    So I'm very unhappy with my current box. I have designed one that I think will sound much better. I am wondering if there is someone that would be able to bring my design to life. I use torres but would like a visual of how it will go together and what my port cuts should be. I don't have a CAD program that will allow me to do that. I'm open to any suggestions as well. This box will be built for an Fi Bl12 V3 on 1500w. It was suggested to me to shoot for 30sqft of port area. Thanks in advance to anyone willing to help me out.
  10. I'm trying to get help with specs for a SMD mini, there's no info anywhere and I'm not getting a reply fro Steve's facebook page. Hopefully someone can help. Max width can be 39" and 14" tall...can be as deep as necessary. Would like to have box tuned to 31hz. Thanks in advance
  11. So I've had two Memphis 15's that I picked up about two years ago. They've fared well with my little AudioPipe APSM-1300. But alas, it's time to move on to bigger and better things. For about a year now I've been toying with the idea of using a pair of 18's as daily drivers. I've also wanted an excuse to try out Ampere Audio for just as long. Well, I've decided to take the plunge and do it. Before I move further ahead, I would like to request a review of my enclosure, as well as the driver and amplifier combination. Any feedback, criticism, well wishes, or physics/electronics lessons are greatly appreciated. Is this the beginnings of a poor design, or am I headed down the right path? Before you go any further, please make sure to read this, right here---> The enclosure design is not finished. I have not yet added the port or any gussets. The general specs: 2x PSI Audio Platform 1 18s with the "high performance" option Ampere Audio AA-1200.1 The enclosure (unfinished design): Designed to maximize volume usage in my 2005 Dodge Ram crew cab, while allowing me to still use the rear window for window purposes. ~30 cubic feet volume accounting for driver displacement, but not port and gusset displacement. I expect that the port and gusset displacement will put the enclosure volume right around 20 cubic feet which is where I really want to be.
  12. Edit: decided to just go ported. Can anyone recommend the best ported box with these as external box dimensions, 20 D X 30 H X 38 W. just want the loudest possible in a 32-36 hz area. want to keep the 20x38 the same for outside specs if its just TOO big then lower the height as needed. This is from base to roof, so if it goes down at least i can see a little out the rear view lmao. two Alpine SWR-12D4 Type-R 12's on roughly 1300rms @4ohm. had to scrap the old idea, this is for my daily mustang other than my wall build but will still be removing the backseats to mount this down. I believe alpine reccomends 1.5ish per sub but iv seen good things from people that said 2+ works well with these. Anything is helpfull thank you.
  13. Hello i currently have a 3.6 cu box tuned around 36 hz with two 4 inch aeroports 12 inches in length. the box measures 34"w x 16"h x 16"d outside dimensions. i want a new box for my 2 sa 12s that will work perfect with the new bc2000d amp that is on its way looking for something for rock and rap styles of music i would like to try a slotted port design with a flush baffle for the subs. i currently have the box firing into the cabin and would like to do the same thing with the new box. i have 38" x 17" x 17" max space if it is firing into cabin. the car is a 2011 ford focus ses sedan. if you guys could give me ideas, designs, tips, anything i would greatly appreciate it!!!!! THANKS!
  14. So im going making a floor for my trunk but I want to make so i can install my 2 subs, amp and capacitor into it and put some plexi glass over the amp and capacitor with a led strip. The only problem I have is how exactly would i be able to brace and hold the underneath of the floor with equipment in it etc while having a suitable air flow and quality design. I have a 2005 mazda 3 hatchack and i will be taking out the spare tire and plastic trays in the trunk so its bare and allowing me the most space to utitlize for making a floor.
  15. Here's my box design so far for a SoundQubed HDC3 18" http://imgur.com/a/UyRxa Box Specs: 20.75H x 35W x 21.5D. Displacements used are .23 (Sub) and .05 (Dowel rod). 5.95 Cubic Feet @ 30.26 (Cubic feet might be slightly higher due to window). This also takes into account 3 baffles and port outside of the box. Port Specs: 19" total length 7.920" Inside diameter .240" thickness, PVC 12" outside flare diameter 49.24 square inches port area. Still deciding on an amplifier, should be anywhere from 1750-2250W. 1/0 OFC Big Three. 150 amp stock alt. XS Power battery to come later. I still might go slightly larger on the box, every 1" wider gives it .20 cubic feet to net. I know people use 45s in slot ports to smooth out air flow but should they be used in aero port boxes? If so should I just use a 45 for the corner next to the port or all 4 corners? Thanks guys!
  16. Best box designers?

    hey guys, im looking for some of the best box designers you know of to design me a flat wall for 4 18s. thanks!
  17. Currently have a Crescendo BC2000 powering 2 XFL 12s in a box 15in tall x 37in wide x 21.5in deep with a port 25.25in in length and 4.75in wide. I am trying to get the loudest I can on music with this setup. Wondering if a new box is going to get me there. The max dimensions being 15in tall x 36in wide x 30in deep. Thank you for any help its much appreciated
  18. Box design help!!

    I need some help designing a box for 2 12" Alpine Type R's. I would like a ported box tuned at around 30hz. These are the max dimensions for the box. Width - 38 Depth - 20 Hight - 17
  19. I have an SD-2 12" Subwoofer and plan to build a nice box. This will be my first box to build and need a bit of help with the design aspect/dimensions input. It is a D2. Here are the dimensions: Fs: 36.8 Hz (I want to tune to about 32) Re: 4.0 ohms Qms: 6.06 Qes: 0.58 Qts: 0.53 | Cms: 0.08 |mm/N Mms: 225 g BL: 18.9 NA Vas: 30.2 L Sens: 86.0 dB 1w/1m Le: 2.63 mH RMS: 500 watts I'm not positive how to calculate the rest that I need, and even then design the box. Thanks, guys. I really appreciate it.
  20. Hey guys! Newbie here, hopefully you guys could help give a once-over to my build. Currently I'm rockin a Sundown SA12 in my '07 Honda Civic Coupe. Unfortunately I've decided I'd like to move to something smaller/ a box that's more tailored to my trunk to have a bit more space. The box is in the trunk of course, pushed against the back seat as snug as possible. I've gone with a Skar VVXv3 10, just waiting for it to show up at my door currently, very excited to try this thing. I'll be pushing ~1000 watts to it (Alpine MRP-M1000), and the box I designed is ~1.3 cubic feet after displacements, tuned hopefully to around 33Hz. If the picture is difficult to see I apologize, it's just easiest for me to work it out that way. I'm basically looking for confirmation that my numbers are correct in regards to tuning and volume, and that there'll be no port noise issues. Any advice would be great as I'm still learning, I've only built one previous box. Thanks guys! BOX WIDTH: 34 BOX HEIGHT: 12 BOX DEPTH: 11 WOOD THICKNESS: 0.75 PORT WIDTH: 2 PORT LENGTH: 31 Each piece constructing the port is 7.5 inches. Of course I'd like the sub to get low, with a fairly flat frequency response if at all possible. I'm not looking to win SPL competitions... it's a single 10, but I'm positive this will be enough to keep me happy in a proper box. I'd like to do it right the first time. I know lots of you have much more knowledge than me and I'm excited to hear back! CHANGE OF PLANS...... Unfortunately there was a mix-up with Skar Audio (no hard feelings at all, just an order mistake) and so I've decided to go with a Sundown X-8.
  21. Need Some Help Please

    How is it going guys..... Well me and a friend wanted to try something new with my new system. We decided to try a T-Line box for the two zv4 10s and i dont think it came out right. And I want to go back to a normal ported tuned to 27hz. I am running 3 runs of zero from front batteries to back batteries. one xp2000 and a D3400 and 4 Large case batteries. subs are powered by a DD M3B and a Singer 350 on the way. Anyway the box does not sound right at all. a lot of port noise and not much output at all. Sundown recommended 27hz and should be fun. i like to bass race and demo so i thought it would work well but the Tline isnt cutting it. here is what we came up with. and the dimensions i want to keep for the next box so if anyone can help me or tell me how to make another use the dimensions of the current box. here are the specs let me know what you think.
  22. After much toil and measurements (including plotting everything in winisd pro) i have decided on a box design for my Orion Hcca 12.2 with a new black coil. Can anyone critique this design/ give me any last pointers? Any pointers will be appreciated!
  23. im going to order a AMERICAN BASS DX154. bc i want to make a 4th order for the frist time. its going to go in my den. im going to use it as a surround sound subwoofer im trying to get it as musical and spl as posibile its beening powered by a crown xls1000 can any one give me an idea of how big of a box i would need or design thanks max dimensions are 40 wid x 28 deep x 36 tall tunning around low 30s
  24. So a friend of mine just got 2 sa 8 v2's and has yet to build a box for them. the last box we made for him (for his HDC3 15) was made with RE box calc and from everything ive learned that is not the way to go. and i have a Macbook so i cant get torres or anything like that. Here is just some of the general info 2010 honda civic 4 door box is in the trunk 2 sa 8 v2's either a sae 1000D or scv 1500d for amp (he hasnt made up his mind yet) max box dimensions are 32 deep 26 wide and 17 height. here is the one major stipulation. For some reason he really wants a labyrinth port box (im assuming that means a multi folded slot port). for reasons im not really sure. basically he said he wants as loud as two 8's can get and still have a musical range. any ideas for something like this? he listens to alot of music that is mostly right around 35 to 45 hz range for the most part but then he likes to go low just to see the sub move basically. i suggested to him around 35ish to 38ish hz for tuning but he just said he wants loud (dont think he fully understands the tuning thing, not that i FULLY understand it either but i have a little better concept of it) the only thing i really dont understand is that he really wants this to be a "labyrinth" port box. any help would be awesome. and sorry for the long post i just wanted to go ahead and knock out alot of the information. Greg