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Found 174 results

  1. I am very new to most things car audio, and being new I am not really looking to build a box to the exact specifications of my subwoofers manual. I would like to find something as close as I can get however. and I'm looking for suggestions. The sub is wired to 2 ohms My setup is Subwoofer: http://alpine-usa.com/product/view/sws-12d4 Amp: http://www.pioneerelectronics.com/PUSA/Car/Amplifiers/GM+Digital+Series/GM-D8601 Box: http://www.bestbuy.com/site/metra-12-single-ported-subwoofer-enclosure-charcoal/6504011.p?id=1218747923938&skuId=6504011 I am completely oblivious to whether my current box is even close to what my sub should have. It was just what was available and cheap with my discount. I'm looking for something close to the manufacturer's recommended specs (if they are whats best). The specifications can be found on the right side of page three of the manual in this link. I'm looking for the Vented box. https://www.manualowl.com/m/Alpine/SWS-12D4/Manual/276124 Thanks in advance for any help guys its very much appreciated!
  2. Hello, this is my first post on this site but ive always found this website very useful. I was wondering if someone could teach me some about transmission line enclosures i have a single 15" skar evl 15 that i want to build a t line for. Its gonna be in my room so space isnt a problem. If anyone could shoot me some ideas that would be great. Im aiming for it to be tuned about 30 hertz
  3. Hey guys im doing my first build 3 skar evl 15s dvc 2ohm on a ts 3.5 I was gonna do a flat wall but everyone I know personally who does comps says if this is for me anf not for comps I need to do a fourth order cause it's more musical and has more bandwidth i wanna do demos but really i just love bass I've tried bass box 6 and win isd and on regular ported walls it wasnt a problem to get good response on the graph but when I try it with the 4th order calc no matter what i do I cant get the tuning right i want it tuned where its peaking between 32 and 55 Hz tops I don't know a bunch about it all i know is i love bass and I am a noob to all competitors I've read over an hour a day for 9 months and finally got the basics but still know nothing theres so much to learn but im dedicated i got everything for it ho alt batts subs amp and all power cable ran but cant build the box correctly cause i cant do the specs and don't wanna mess up the subs from doing it wrong I know it's time consuming and has no benefit to you but if someone could please help id be eternally grateful the box max external specs are 42d 36h 40w so it leaves plenty of room for the 2:1. And the subs rec enclosure are 3.5-3.75 sealed 3.5-4.0. Ported thanks so much for even reading this ridiculously long post if someone would help I will build and show results so they can know there time wasnt wasted -hooplah-
  4. I need help guys! Is there anyway possible someone could draw me up something on sketchup or something similar for two skar ma-8, they are recommended 1 cuft per sub tuned to 35hz, I have no real experience designing boxes and all help would be greatly appreciated
  5. Okay, so I have two d4 skar ma-8 and a skar rp1500, I have them in a box that was extremely successful with two DD audio 508's in them but it sounds horrible with the skars, I would very much appreciate if someone could maybe draw me something up to fit them, I'm going for a spl/daily build, maybe tuned to 35 hz?
  6. Just got a new enclosure design for 2 12 AB subs, the port is 3.5 inches wide. I showed a friend the design and he is said the port should be wider. What is the concept behind port size? Bigger louder? Smaller cleaner sound? Is it a calculation? Or is it just based on personal preference?
  7. Heres wat we got. I got a blazer with 37" width 20" depth n extensive heighth dimensions. I have a sheet of 3/4 in mdf. Im looking to build a box for my two alpine type r 15s. I plan on the subs and port to face up. A simple single slot port design would be awesome and ill likely run an mbquart 1000w onyx monoblock with them at 1 ohm. Anyone who could provide the dimensions and a diagram for a carpentery dummy it would b appreciated thank you.
  8. I need help with a ported enclosure for three 10" powerbass 10 inch S series subwoofer. I have a width of 32" x 14" in hight x 18" in depth. I want them in seperated chambers. Any help would be appreciated.
  9. I am building an enclosure for my Fi BL 15 and I wanted to have someone else help me make sure my design is going to turn out the way I want it to. I have only built sealed boxes before, so I want to make sure my first attempt at ported goes as well as possible. This is going in the trunk of an 03 Altima, I was planning on putting the speaker and port facing the rear of the car and keeping the center armrest in the backseats down. I have included a picture of my idea and the specs. I am very excited about this peoject, so please let me know what you think so I can get this build underway.
  10. ive had this sub sitting around tryin to figure out a good box for it (sub up port back!) its wanting 5 cube after disp. sub disp. is .26 now i want my box 20x38x17 which is about 6.06 cuft. now the port is where im having the most problem cant really figure out the right tuning im wanting about 32 hz ANYONE HELP!? :huh2: :huh2: :huh2: :huh2:
  11. im planning on building a ported box for 2 rf p3 12s tuned at 32hz. Rockford recommends 1.79 cubic feet per sub, unlike most manufacturers who give a range of volume for an enclosure. i know they can be put in a larger enclosure i just dont know how much larger. does anyone have an idea of how many cubic feet of air space would work best for a box tuned at 32hz?
  12. Hey guys, Just started using the SMD forum so sorry if Im not in the right area or something. Im trying to design and build a box for 2, 12in XX Re Audio subs. I currently have a single xx in a 2.25cu ft box tuned to 30hz and it slams. I want to double up the sub though for some more bass. \m/ If anyone can help me design a box Id be really thankful! I dont have any software and looking for someone to just help out I want to do somewhere around 5-6 cu ft tuned anywhere from 30-34hz. Here are some parameters. Re-1.0645 ohm Fs-32.2101hz zmax-12.6341ohm Qes-0.5635 Qms-6.1248 Qts-0.5161 Le-0.9059mH Diam-254mm Sd-50670.7504 mm^2 Vas-29.6566L BL-10.7141 Mms-300.2708g Efficiency- 0.1652% Sensitivity- 84.1993 dB Xmax-54mm Really any help would be great guys. Thanks-Andy.
  13. Can anyone check these plans out and let me know if they would work for the copper coil hdc3.115. I found them from a old post and just want to be sure it will work. I'll be running one hdc3 15 on either the sq 2200 or the crescendo bc2000. It will be in the back of a 1998 jeep cherokee.
  14. I am going to build a fiberglass wakeboard tower enclosure for a friend. He wants 4 x 6"s and one 8 " Sub, all marine application components, no problems there. I will be seperating the 8" enclosure from the rest of the others. The sub will be in the middle, and two 6"s on each side. The glassing, filling, sanding, painting is not the question. My question is should the box be ported or sealed? I have built several enclosures, but all inside a vehicle. This will be wide open, hanging from a wakeboard tower and I want to get the most response from the sub as possible' will there even be a distinct difference? What are your suggestions, follow up questions? Thanks in advance!
  15. Hey guys, im making a box for home theater purposes, and since it has a 0.51 qts, im thinking about 15-16 cubic feet after displacement, tuned to 15, 20 or 25 hz. What do you think for tuning? for home stuff, i was told big enclosures and super low tuning [like, under 25 hz] Edit: im doing a slot port
  16. Hi guys so basically I was wondering if I could use the SMD sunflash alone and on its own (no matting no paint) on the outside of my box to offer protection from the elements of rain ice and snow or if I should just use some standard polyurethane for this? I'm not very familiar with paint products but if I did use the Sunflash resin over the polyurethane my understanding is that there is no mixing required, it is ready to be applied straight out of the can but I do have a few questions/concerns regarding its use... (1)should I sand or prep the smooth MDF wood prior to applying the first coat of resin? (2)should I lightly sand the resin between coats? (3)how many coats should I apply for it to withstand direct exposure to water and moisture? (4)is it best to be rolled or brushed on? (5)how much will a gallon cover on average (6)Lastly does this stuff tend to dry clear or cloudy? Thanks to everyone who took the time to address my needs here and offer any tips experience or advice all input is greatly appreciated!
  17. Hey! i was just wondering if, and if it's smart to use different port sizes for each chamber in the enclosure? I have 2 of the same subwoofer and I have built a couple of boxes now and I have always wodered if I used different tuning for each of the subs and seperate them in 2 chambers if I get more full range bass and still the same high output and soundquality? I was thinking something like 30Hz for one and 40Hz for the other? Right now I have a box witch uses 2 subs in one chamber with 1 port. Will I loose any db by seperating them into chambers? Thanks for any answer
  18. Hi everyone, For some reason my custom made sub box for my 1x sundown zv3 12" dual 2ohm from my local car audio installer sounded not as ok as I think it would. I suppose you can say it hits some bass notes (frequency) pretty well but some just unbearable or missing or can't be heard or weak. For example: when i play lil wayne 6ft 7ft its good but when I play something like yg - who do you love. the intro onwards is just weak (shouldn't say weak but seems semi-missing or should i say not hitting maybe) Anyhow my low bass setup: skar 1500.1 setting 90hz LPF , phase 0, bass boost 0, subsonic about 32hz can't really tell as its extremely hard to tell where its at, gain set with multi meter at about 39 (1500 square root) Sub - single SD 12 zv3 dual 2ohm Most importantly the box: 17W x 14H x 22D MDF 0.75 - port 2" with port length18" L1 + 8.5"L2 should be at 32hz ( I did used the RE calculator but human error could happen) I don't know why this is happening but I did try to put the subs in my 1.75cu box it sounded boomier but bass were not that clean) but its still better than missing or unable to hear. Note : car BMW e60 520i 2003 with ski hole cut should i just have another box build? By the way i'm looking for best in both world SPL & SQ. your valuable inputs is very much appreciated SImon
  19. I just ordered two 12" Alpine Type R SWR-12D4 and a Hifonics Brutus Elite 2000.1. I need to build a box to fit in a 2000 Ford Taurus. I am fairly new to the car audio scene so I don't know how many hz to tune the box to or how hard it is. Just looking for a cut list and any suggestions on how I should build this.
  20. Ok so I am building a box for one of my friends. he has a single Soundstream SPLX15. this is my first time using Torres and I am a bit confused between port area and port area per foot. which one should I be looking at to find total port area. the box is about 4 cubes and tuned to 36HZ. I want to get about 50 square inches of port area but I am not sure the difference between port area and port area per foot.
  21. The max dimensions for my vehicle have been reported as 16hx33wx34d. This is my trunk. I'd like to tune the box to about 32-33hZ. The specs of the sub: Fs: 33.4Hz Re: 1.8 Qms: 7.3 Qes: 0.5 Qts: 0.5 Cms: 64.2 uM/N Mms: 352.8g BL: 15.8 N/A Vas: 57.2L Sens: 87.6 1W/1m Le: 1.9 RMS: 1500 watts
  22. P1S4-12 New generation enclosure help needed for 4 cubic ft for two subs sharing the same L port tuned to 34hz a cut sheet if possible please for a Yukon if that helps space is not a factor running a r750/1 fosgate right now they are in a p1x2 Rockford fosgate box
  23. I have been surfing forums and youtube for Hours but the simplest of questions i have yet to find an answer to. I am a noob. I am trying to learn all I can about car audio. I have built a few sealed enclosures even took at shot at a fiberglass enclosure. But I would like to try a ported enclosure. Could anyone give some advice as far as how to determine the best type of port because this is what confuses me I can punch in numbers to get a box but I would rather retain the knowledge to understand how to design one. It also doesn't help that the thickest MDF sold in Japan is 1 cm(.39") Any help would be highly appreciated.
  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
  25. I have a 15 inch obsidian audio v3 dual 2 ohm and i need help with the design of a inverted enclosure. I can do the building part its just the technical part im not good at. I would like it to be tuned to 33-36 hz. I plan on putting around 600-700 watts on it.
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