SPL & SQ / Fabrication
Calculations, Concepts, Designs, Theories. All General SPL Or SQ Questions Can Be Discussed Here.
2,714 topics in this forum
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Hey guys i know this is a stupid question but when lowes cuts your wood are the cuts pretty straight. And what do they charge per cut? let me know. i've been having a hell of a time getting straight cuts with my saw and a guide clamp... for the most part they are straight but when the box is all assembled there is always a few corners that are off balance...
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What all do I need to model my zcon for the new enclosure? About to start building and want to have the enclosure design as good as I can.
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After watching YouTube and attending a few myself. It appears competitions make the hobby kind of sour. Online were all friends, then comp day rolls around and it's like the wild wild west. I've seen a lot of friends and drama start and end from these "comps" Almost to the point I don't even like attending them. I go to shows to talk interact and enjoy the hobby. I just feel like comps get way too serious. FTLOB!!!!
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See attached pdf for design & WinISO charts. This is the first time I've attempted this so I'm sure there's plenty wrong - looking to learn! Powered by a memphis 16-st1000d pushing 600w rms at 2 ohm. Box 2 design.pdf
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Vehicle : 2011 f150 Location in the vehicle: back half seat is removed Space available (Length x Width x Height): From front seat to rear wall 40" Door to door 46" floor to roof is44" Subwoofer make and model: sundown SA15 rev3 d2 Subwoofer Size: 15 Number of Subwoofers: 4 Type of Port (Kerfed, Slot, Aero, etc.): ? What type of music do you like?: all Is your goal SPL or Everyday Music?: Spl but in daily driver. 80% spl 20% sq Tuning Freq (Hz): ? Volume ? additional info- Iv tries to find the …
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hey guys i'll follow mklett's pattern Vehicle : 2012 chevy cruze Location in the vehicle: trunk Space available (Length x Width x Height): 36x16x24 Subwoofer make and model: american bass xfl Subwoofer Size: 10 Number of Subwoofers: 2 or 3 Type of Port (Kerfed, Slot, Aero, etc.): slot or aero What type of music do you like?: mostly hip hop/rap but also rock Is your goal SPL or Everyday Music?: everyday Tuning Freq (Hz): 33-35 Volume :??? Questions: i'm trying to figure out the best possible orientation, size, port, and tuning for this car. i have a prefab ported box for 2 tens that i've had in the car for 2 weeks and have played it firing into car with it sealed off using…
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I have a 12" GCON in a 2.5ft^3 enclosure tuned to 32hz. I have been lacking in response toward higher frequencies and was curious to know where the drop was happening, as it is quite a steep slope. I was playing with a tone generator this evening and from 28 to 50hz sounded amazing but as soon as I hit 53hz I lost significant dbs. There was another significant drop at 60hz. Is this due to my box tuning? Can a ported enclosure be expected to produce these frequencies with significant spl? What can I do to get these frequencies to play? Separate subs dedicated to that range? box position doesn't seem to make a difference. Vehicle is a 96 Honda accord sedan.
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I am looking for someone to build a enclosure for my 15" ssa xcon. It needs to be 4 cubic feet tuned to 29hz, i'd like a flared slot port, in a standard rectangular enclosure with dark charcoal carpet, with a rectangular 10" window on the top showing off the insides (which means the insides need to look nice to enough to show off), so what would this run??? any offers? Also to add I would like it to only be 16" in height and no more than 35" in width, and I would like it if you could let me know what the end result on the depth would be?
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I am thinking about building a T-line for my 3 SSA DCON 12's. Has anybody here tried it or have any experience with T-lines? If anybody wants to give a shot at helping with the design it would be great. Before you comment that "The box will be huge!" , yes I know. Thanks.
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i did a 149.0db Sunday with 1 sub ported to 36Hz going to build an SPL box for it now and get over the 150.0db mark with a singel sub Jacob i am out of Flyers need more as everyone is wanting info SounsStream 15"XxX
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Still looking for a new car. One that I can also have a good daily SQ setup, even have room to compete in. I am also thinking on competing in SPL next year. I wish I could make up my damn mind. '99-current Lexus GS300 maybe IS. Still researching the difference '99-current 4-runner '99-current Accord '99-current Camery "99-current Maxima All these fit into my size, power, and gas milage requirements. I have drove all but the lexus. Sometime this wekend Ill drive one. I have a potential buyer on the ATV so I will have a decent down payment. But I wm looking for the best stock stereo placement and the car with the mose room for growth. Ideas and suggestions definatl…
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what is the best wood glue to use for building boxes i plan on using the gorilla wood glue
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i drive a 2000 4 dr honda accord. i was just wondering like who has built what type of enclosure, and what they have tuned it to to get best LSQ reults. currently i have a small 800Wrms amp on the way. subs are still under debate. what would pound hard in my car and what would you reccoment for a sub, under the 400 dollar price range.i am on a budget.
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I Just got a pair of Eclipse 8062 6.5" mid-bass's with there crossovers, and no tweeters for $60. I thought it was a good deal so i got them, I needed a upgrade from my polk db 4x6's. I tried the eclipse out in the house in a quickly made box and they sounded great, but I cannot get them to fit in the car where they will be completely sealed like they need to be. My speaker holes are 4x6" on the top of my dash facing the windshield in each corner (I will post pics). I need help figuring out a good solution to where they will sound good and look kinda decent in the car. I can't put them in the doors and i am not allowed to do any permanent modifications to this car. So wha…
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i just got paid, and have 70 dollars to spend, so which is a good palm sander, and where to find it thanks
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Vehicle : 2007 chrysler sebring Location in the vehicle: trunk Space available (Length x Width x Height): 37 wide x 32 length x 13 height i can get larger just would have to build inside trunk. Subwoofer make and model: Zcon D1 Subwoofer Size: 12 Number of Subwoofers:1 Type of Port (Kerfed, Slot, Aero, etc.): slot or aero What type of music do you like?: dubstep and decaf Is your goal SPL or Everyday Music?: most of my listening is everyday music decaf and dubstep. Tuning Freq (Hz): not sure Volume : currectly around 7 gross Questions: I have 2 zcons and am thinking of going to 1 due to rebuild thoughts. I need to give these subs more space and not sure i can do that w…
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I have finished the boxx for the 2x 15" WMD^2 subs w/ carbon fiber cones. wanted to have a boxx for MUSIC, not SPL the external dimentions are H- 18" W- 41.5" D- 35.5" Port was rear fireing 2x pieces 16.5" x 23.75" overall H- 16.5" W- 5" Lv- 23.75" I was shooting for 25Hz port Freq: got D@mmm Close went for a drive and it really POUNDS on the lower notes and has SMOOTH Transition between higher notes... the subs are loacted on the rear of the boxx facing Up ^^ neer the back window port fires to the rear door seperating the subs and BRACING the boxx Pics / a lil late but better than never Strapped @ 1ohm / 0.5ohm per amp DAILY
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Hey guys I have a Fi BL 15" fully loaded woofer on the way. I will be building my box very soon here. I'm going to be running a Sundown 1500 D amp to it. I will listen mostly to low HZ rap or bass songs. I am looking for 32 HZ. Few questions: - Can someone give me some measurements for a ported box that is meant specifically for a BL 15" with 1500 RMS going to it? - I have read that this sub woofer recommends a 3-5 cu ft box. Does leaning towards 5 cu ft box have any benefits in SPL? -Any internal box bracing necessary with 3/4 " MDF wood? - Any cotton material necessary inside the box? Thank you
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I've been searching on here and the internet about port area. I've seen anywhere from 12"/sqft to 25"/sqft. Some say a smaller PAF will act more like a sealed enclosure and tighter sounding with higher power handling. A larger PAF will act more free air with a higher output at lower frequency but will sound loose and lower power handling. I thought the box had more effect than port area does. Where I'm at now. I have a single v1 sa8 in .63 net tuned at 37hz with 17"/sqft. I'm running a sax1200 at 2ohm gained down to 600wrms (clamped). I like the sound but seems that the output is a little lower than I expected. I really have my eye on the new v2 sa8 and would like t…
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I have an 08 silverado crew cab, I just bought 4 sd-2 10" shallow mounts and I need to build a 4 cubic foot ported box. I took my backseat out for now so it doesn't have to be complicated, and I am powering them with a saz2500, and if you know anyone that can build a box so I can put the seat back in that would be great too.
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As the title says...I have 14.25 cubes available. I want to run 2 zcon 18's. I don't know anything at all whatsoever about designing a box. With that said, after subtracting driver displacement, port displacement, and bracing, will I have enough room? If not I have a Zcon 18" Dual 2 for sale lawl
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alright guys, reason I'm wanting to get one is because here in Laredo TX there are only a hand full of people who have one car shows consist of ear-o-meter which does not do justice trying to see which meter i should purchase I'm looking at Term Lab http://www.termpro.com/store/shopexd.asp?id=25 let me know if you guys have any other options or ideas thanks in advance!
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My setup is 2 dd3512e sub and port facing the back. The port is in the center between the 2 sub. I seen some setup with 2 12's with subs and port facing back but the port is towards one end of the box and not the center. Is there any benefit to having the port on one end instead on the center, this would be in a trunk setup? Which would be louder?
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Ok well I have a few questions when it comes to the proper way to decide on the amount of port are that you should use when it comes to designing ported boxes and 4th order enclosures . I have been hearing mixed " opinions " when it comes to picking the amount of port area needed . The most common way I have heard about is staying in between 12 - 16 sq inches of port per cube. Which in my opinion is not a very accurate way to design an enclosure . The other way that have been told is that you adjust your port area according to the xmax or linear max on your woofer. Which sounds to be a more accurate way in to better suit a build. So if anyone knows the actual proper way t…
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Designing a new enclosure for a Fi Q18. I want to be sure that sub placement would not cause any issues with unloading thru the port or odd loading issues off the port wall. It is only a single sub, so I dont believe the loading off the port wall would be an issue. Here is a quick sketch up of the enclosure. The guide mark is the mounting depth, and is approx 4" from the back plate to the port wall. I would prefer center placement just for aesthetics but functionally I believe the position closest to the exterior port vent and above the port wall may be the best bet. Thanks for any insight
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