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Found 6 results

  1. I'm having trouble getting the right mass to tune a PR enclosure I got ~1200 grams when I used a calculator online but 158 grams when I used the mass of the air in the port as my starting point. I feel like i'm missing something. i'm aiming for 8cu @ 26hz with a single 18" and two 18" PR's What do I need to do to get the correct calculation? The reading seems straightforward but I keep getting these two opposing answers. Thanks, -Chris
  2. Omega_Ace

    Question about ports

    If you have two boxes at the same volume and say one had a 2" slot port width and the other had a 3.5" port width tuned to the same frequency would there be a difference? Would the 3.5" port allow you to feel the lows better than the 2" port but sound the same since they are tuned the same?
  3. bassthrashin

    Dual 15" ZCON Box Size??

    I would like some input on building an enclosure for 2 ZCON 15D2's. The max cubes available for the box is 7(3.5 per sub) after displacements. I want to tune at 31hz. I have seen the recommendations SSA's site for enclosures but would like to have some outside information on how well these will do in 7 cubes . They will be running off a SAZ3500 at .5ohms. Thanks.
  4. Hello all, I'm new to this forum, but not to car audio. I am however new to the Sundown woofers. I'm hoping you all can lend some help and thank you in advance on my enclosure design. What I have is an 05 Acura TL I'm doin a pair of Sundown SA12s in the trunk. Subs to be fired foward and a 6in Aero either out the back or side. I have tried several enclosures with foward fired subs & port, but the car just did not really like it. Last setup was a single CV Stroker12, power was supplied by an O.S. USamps VLX400 1ohm mono. I had good results with two 4in PVC ports fired back, Sub obviously foward. Then tried a 6in Aero out the drivers side of box. The Aero was slightly better. Anyway, my questions are... I have roughly 31in wide/26in deep and 13.5in tall to work with. I have an enclosure drawn up already with a net volume of 4.05 ft>3 and Torres is telling me with the 6in Aero @ 17in long this will yield me a tune of 29.64htz. Does this sound rite? I do want it to play very low!! I Only play music. Rap/Hip Hop/R&B/Funk/lil bit of rock/metal. My other concern is how will these subs like this size enclosure with the brutal power of the VLX? Amp is "rated" @ 2400 wrms @12.5v. Charging system is decent with a total of 4 large batteries and a 50farad Stinger Cap. All power/ground wire is 1/0 Monster Cable. Voltage playing it hard stays in the mid to high 13 volt range. Any input on if this will work fine would be great! Thanks again everyone.
  5. I set my sub amp gains with my hu eq flat. It sounds ok, but I seem to be wanting a little more. Is it bad or potentially harmful to tune the eq on my head unit with the amp gains set as is, or is it wise to reset the gains after messing with the eq? I learned my lesson the hard way about bass boost by frying my last sub. My sub and amp are matched as far as RMS goes, so I dont want to take any chances and risk damaging my sub. Advice? And how reliable/accurate is the clipping light on an amp sub remote?
  6. Hello there! If you clicked this thread it is because you are considering making a thread asking about a box design! (Or you are wondering, what's this thread about?) Well I am here today to help you and make your box designing dreams become a reality! Follow these 4 easy steps to correctly pose the question "Is this a good design for a box?" By following these steps other members will be able to better assist you in your goals! STEP 1 (Research): Research! Hop on Google and find your manufactures recommendations for the enclosure. Go up in the search bar of this fine forum and search! You will be surprised to find that someone has probably already asked "How good is sub xxx tuned to 34 hz?" And whats awesome is if you do some snooping you can see if they made a build thread, and then find out how well their plan turned out! You can even PM the person and get their opinions on how it turned out! that's the best part of an online community. STEP 2 (Answer "The List"): Check out this cool list below! These are the type of questions that people are going to ask about your box design goals when you make a thread! So have them ready up front! Copy and paste this list to your new thread and fill in the blanks! If you are not sure on an answer simply put a question mark (" ? ") in that space! That way members will be able to provide the best answers for your questions! (See something I should add? PM Me please!) The list: Vehicle : Location in the vehicle: Space available (Length x Width x Height): Subwoofer make and model: Subwoofer Size: Number of Subwoofers: Type of Port (Kerfed, Slot, Aero, etc.): What type of music do you like?: Is your goal SPL or Everyday Music?: Tuning Freq (Hz): Volume : Questions: STEP 3 (Make a good thread title): Now that you have your list filled out go ahead and make a thread, but I strongly encourage you to put as much info about your design in the thread title. This is a VERY IMPORTANT step! By putting information about the thread you are making in the thread title someone will be able to much more easily search for your thread! And not only that more people are likely to respond to your thread as they will be like: "Oh an Fi BTL, I had one of those, I''m gonna help this dude out!" Here is my recommendation for a format of your thread title: Recommended Thread Title: Design Questions for : (Subwoofer Size) (Subwoofer Manufacturer) (Subwoofer Series) in (Cubic Volume) (@Tuning Freq) Enclosure Here is a sample using the above format: "Design Questions for 12" Fi BTL in 2.5 Cubic Ft @ 34 Hz Enclosure" Trust me, if you take the time to have a good thread title, it will attract much more interest and help! Again, if you don't know the freq you want to use or any other part of the tile just leave it out! For love of all that is holy DO NOT make a thread title "Box help" Thread titles like that are the devil! STEP 4 (Do more research!): As the answers start rolling in keep researching! There are plenty of useful tools out their for designing! Part of the fun of this whole hobby is learning how to do things! Then you can impress your friends and make boxes for others! LEARN LEARN LEARN! These videos are just a sample of what you can find on youtube that may help! I hope you enjoyed this thread! With these steps you are on your way to getting accurate answers to your questions from the members of this forum! And not only that you are bettering the forum by allowing information to be more easily found! Take care and stay loud!