understanding port area...12-16 sq in for slot and 6-10 sq in for area is mostly knowledgable for beginners. a good starting point
Пікірлер: 76
@RodofAllTrades3 жыл бұрын
I have been into and doing car audio for 30 years and I am just now starting to play with the WINISD box program! It has really shed a lot of light on this subject! I have also seen several different videos related to this one. You are on point! Keep 'em coming!
@SaltwaterBoogeyman2 жыл бұрын
Every time I watch another video I get excited about the monster to come!
@Las_Oem2 жыл бұрын
Hello I'm trying to figure out what size port I should make for my box I am making a box for a regular cab behind the seat holding in 2 8 in sundown e8v6. I want bot subwoofers behind the driver seat and the port on the opposite end what do you think or what do you recommend ?
@annihilationindustries199010 ай бұрын
Whats your thoughts on 90 degree elbows to continue to make the port longer in the box for the pvc pipe
@deathtocolor87742 жыл бұрын
So you base your port area off the volume of the box? So if I had 3 l7 10s solo baric in a 5.25 box is a port area of 82 okay?
@david0290146 ай бұрын
what tune do you prefer?
@miker02576 ай бұрын
I bought a couple EMF audio Lowballers 12s and wanted to build an aero port box for them made out of Birch as I was told that the box would be lighter. Would you be able to help me with designing the box so I can build it or to give me a quote if you were to build one for me? Its going into a 2009 Cadillac CTS-V so I don't have to much room but I was told an aeroport design would keep the box size down while still keeping it to specs
@jonfoss34379 ай бұрын
I have a large set of diy 15 inch 3ways in 5.6 3way speakers they are sealed, but i want to port them. I have a set of precision port flared 4 inch ports, their websight recomends 7.5 " long, what do you think???
@jamesswain2923 Жыл бұрын
Hey I have a 12 inch skar evl. I am building a custom box. 2.7 cu feet with 1 4 inch port. Tuned to 30 Hz. Cause I can't go 6 inch cause port length will be to long. Is 4 inches enough. Cause box calculator says I can't do anything but a 4 inch. Will 4 inch be enough. Thanks
@DavidMiOo11 ай бұрын
MBE, if i have an enclosure with an 8" sub and xmax 12mm. The enclosure has a 4" round by 12" external port. Now i plug the port, does my box now have that volume? What if the port is internal? What if the port is 8" around? I know the answers but not the formula, who has done this formula? I believe the answer is within the compression ratio of the air within the port but taken xmax or how much air the sub can move into factor. So something like a 4" port would add to the volume, but not the entire volume of the tube, 8" tube on the other hand might.
@jlee82622 жыл бұрын
MB do you mind teaching me how to incorporate an area port like that into a box? Just the basic principle on how to attach it and it be secure and stable. I appreciate your videos and I learn from them just for myself. Its a hobby for me
@willianroberts74002 жыл бұрын
What school did you go to for car audio
@RobHTech10 күн бұрын
I forget the relationship between port area and port volume. No one actually builds a port based on area, but rather volume. So is a recommended port is rated as 26 sq in, then how does that convert to cubic feet ?
@hippo-potamus4 жыл бұрын
MB what's you opinion on using brad nails vs screws? And if screws butt joint vs pocket joint? Pre-drilling vs not? I know everyone has their own build philosophy just wondering what's your take on it. Thanks for the reply. -Cheers
@M.B.Enclosures4 жыл бұрын
hippo potamus screws or brad nails with good clamps, it’s the Titebond glue that doing the work... it’s not rocket science
@thomasnygard23342 жыл бұрын
Good clamps the glue is doing all the work and if I can I use biscuits and dowels it is time consuming but just my .02 I like to build all kinds of stuff that is what brought me here in the first place
@ajmann073 жыл бұрын
What wood ? Birchwood ? Looks DAMN good
@AwestruckOffRoadingHertz3 жыл бұрын
how do you clean your brushes after using them for staining?
@M.B.Enclosures3 жыл бұрын
Paint thinner
@Cyberslug14 жыл бұрын
That does not have flared ends so it's NOT a Aero Ports. Aero Ports is a trade name but people use it to describe a type of port. Aero Ports or round ports with flared ends reduce port noise and increase SPL in most cases and that's why people use them.
@M.B.Enclosures4 жыл бұрын
Cyberslug1 no proof that flared end increase SPL... but it do reduce port noise for those of you running to small port in sq in
@7Logik Жыл бұрын
@@M.B.Enclosures so with a bigger port like a 6 inch you wouldn't really need flares ?
@jamesmarshall9459 Жыл бұрын
@@7Logik Correct but then you run into the problem of increased port diameter = longer port. You might end up with a port that is longer then your enclosure. The flares allows you to cheat and have a higher port velocity without noise and a smaller port that fits into a smaller space.
@zaywilds35793 жыл бұрын
How much port area would you use for a Rockford T1 12" D2
@russellcrabtree5314 Жыл бұрын
Can you please do a video on port and subwoofer location on the box. My dilemma is whether or not does the ports sound waves interfere with the drivers sound waves if they are on the same side of the box. If the port has to be able to load off of something, will it cause the driver not be able to develop correctly being too close to a sound barrier being that they are on the same side. Thanks for your channel! You have been very helpful!
@DavidMiOo11 ай бұрын
It makes a difference but probably not in the capacity you imagine or for the application in which you plan to use. Plenty of boxes have side fitring ports because it's the only thing that will fit. I wouldn't recommend rear though, in a car it wouldn't really matter but technically the pulses cancel instead of stack at the tuned frequency
@eyesoxantt99972 жыл бұрын
What are your Thoughts on tryna squeeze 2 evl 10s in a underseat?
@bailey25172 жыл бұрын
nO
@savage-xu9fl3 жыл бұрын
So you would recommend 6-10 for aero port starting point?
@M.B.Enclosures3 жыл бұрын
Nooooo.....10-13
@drrckhamilton4 жыл бұрын
Just curious...how do you cut port material?
@M.B.Enclosures4 жыл бұрын
Derrick Hamilton with a saw and a router
@landonsmith70512 жыл бұрын
How can I box made by you my brother very knowledgeable I’m having issues now on finding the right box so far looks like I keep spending money and the sound is still not right I have a jl w7 13.5 in a Honda Accord box height is 20.125 width is 22.625 and depth is 15.25 port is 13.25 x 2.5 can you tell me what’s goin on sun just don’t sound good for what it is I have it hooked up to 2000 watt Brutus amp on stock electrical
@thomaslove64942 жыл бұрын
its that amp most likely youve got a hell of a sub wired to a bargain bin amp.... is it 2000 watts rms ..... how many ohms are you running the sub at?
@buckyflex12 жыл бұрын
I went all out last yr & did my build out of red oak (at the time $45/sheet) did gray stain w like 6-8 coats of poly looks good from distance lol but any1 who actually knos how to do a proper quality finish would prob facepalm lol it ain't no showpiece but that ½doz+ coats of poly makes that shit bulletproof real talk that bitch is straight seaworthy.lmao but looking back I'd say unless your going for high quality finish, don't bother with that high dollar ply, I mean u don't wanna use garbage, but u can find a sheet of ¾ structural ply that's flat, plumb, w good edges & decent grain & it'd turn out every bit as good I don't think I got any real gain out of using $$ hardwood. I will say that if u ARE looking for the premium premium wood look at marine grade ply it's booku bux but it's top notch much fewer & smaller voids than anything home Depot got. fewer & smaller voids = increased density that's the name of the game so idk u might see some gains there but idk if enough to warrant the extra $
@drc2283 жыл бұрын
How do you measure port volume with your aeroports?
@allmotorhash3 жыл бұрын
pie formula
@cocomaster37553 жыл бұрын
@@allmotorhash I should have paid attention to school...
@TaylaFam2 жыл бұрын
How would I measure the displacement of my port?
@John3K212 жыл бұрын
What style of a port are you asking about?
@n8skow2 жыл бұрын
Port area x Port depth = volume (displacement)
@bigjab4203 жыл бұрын
Port area per cube gets people in the door, but it's a generic equation that just keeps you in a "safe zone" of port for the majority of woofers. T/S parameters, power, and port velocities are the way to design a proper port. I personally find that round ports usually end up being a bit more peaky than a rectangular port with the same area. The rectangle port ends up with more surface area for the sound waves to travel across, and that figure goes up the farther away from square you get.
@DavidMiOo11 ай бұрын
Yeah but it's said that's due to port velocity. The velocity would change the tuning, essentially the difference the port makes for sound can be directly related to how much air is moving in the port at that frequency.
@earvinjones70703 жыл бұрын
How do i order a cabinet from you?
@M.B.Enclosures3 жыл бұрын
Text me at 404 694 4818
@boengel5342 Жыл бұрын
Do you double the 12-16 if you have more then one sub
@TheFpsraab Жыл бұрын
Sub count is irrelevant, he's telling you that you need 16-18" of port, per cubic foot of box.
@hausboxes2 жыл бұрын
Digital designs says +20-25% in most cases that puts you over 16 per. Closer to 18 per.
@boengel5342 Жыл бұрын
Per sub? So if the subs are in a shared air space you double that
@hausboxes Жыл бұрын
@@boengel5342 yes
@willsteele92492 жыл бұрын
I know why I like you now.......lefties in the house! This would explain your high degree of logic. Thank you for sharing your knowledge.
@M.B.Enclosures2 жыл бұрын
I’m not a leftie
@thomaslove64942 жыл бұрын
@@M.B.Enclosures well then at least he was right about your high degree of knowledge LOL
@swabby9133 ай бұрын
Camera is in selfie mode. Lol
@chrismcgill43722 жыл бұрын
Question big guy, my port is 22.5 square inches and 22 inches long. I want to convert to three 3” ports about 7 inches long. Is that the same or will it sound different? Thanks my man. Your videos are dope.
@chrismcgill43722 жыл бұрын
Sundown sa6.5. Six of them at about 1.65 cube
@thomaslove64942 жыл бұрын
@@chrismcgill4372 1.65 cu. feet net volume? excluding the port?
@chrismcgill43722 жыл бұрын
1.98
@thomaslove64942 жыл бұрын
@@chrismcgill4372 I don't know what that means.... 1.98 total volume? 1.98 port area¿ 1.98 z jamz is the radio station you listen to going down the road? You're gonna have to put in a little more effort if you're asking for help from a stranger in the internet.....
@chrismcgill43722 жыл бұрын
@@thomaslove6494 didn’t ask you pal. I already got my box custom built. Also if you’re willing to help someone don’t use smart ass sarcasm. Just don’t reply at all.
@Dmack4344 жыл бұрын
Whats meant by port noise and what does it sound like? I've heard the term before and I know you're gonna gimme the correct info!
@M.B.Enclosures4 жыл бұрын
Dmack434 when the port of to small and you can hear air moving in and out of it.
@cocomaster37553 жыл бұрын
I heard it sounds like chug chug haven't made a box with too short of a port yet.
@bailey25172 жыл бұрын
@@cocomaster3755 if you have a box fan or a similar mid sized fan, and you blow into the fan, that's sorta what it sounds like. It's a windy noise.
@dabosssr244 жыл бұрын
U gotta be talking about jimmy-son.
@ajmann073 жыл бұрын
Dude where u from ??
@M.B.Enclosures3 жыл бұрын
ajmann07 Atlanta...I build and ship
@Psy6o Жыл бұрын
Some subs like crazy specs that will only work for that sub
@iisreallughtkingsun43602 жыл бұрын
Brother. I'm on this looking information about ports. Because I'm gonna build a sound system. And I was trying to find out what BOXES to use and how the ports work's. So I can design my own speaker BOXES. And it's been a while I'm on this you tube link looking. And if I tell u. U wouldn't believe when I said. U is the only black person I've seen speaking about these things bro. Knowing we're the ones who started all this music and speaker box building. But brother just to show a black person with knowledge about speaker's. It looks like an offence !!!!!! Brother keep making BOXES and make video's and post it. I'm learning. And I'm worried about who I learn from. I just need this info. But today I just found u and the people who build cerwin Vegas. And I understand there's three types of BASS. ( 1 BASS REFLEX /2 SEALED BASS / INFINITE BASS ). So I'm thinking that using all three BASS will make my sound system sound RIGHT u know where u play different ( music ) ?????? U sometimes have to change BASS frequency of like reggae /rap /jazz / soca. And so on and so on .Because it's not just one word ( music producer ) recording all the music in the world. So it's clear it's true. One most adjust BASS to suit the ( track playing ). Weather it's any of the above ( music category ). So again thanks for this information brother. Long life and health to u and family ✊✊✊✊✊✊✊✊✌✌
@thomaslove64942 жыл бұрын
dude if he's the only black person you've seen talking about ports and speakers you need to look harder ....wtf you even talking about....
@stevofla2394 ай бұрын
That's not an aero port. That's just a round port
@ah48004 ай бұрын
It's still an aero port. Just not a flared aero port.
@ericklypchak46772 жыл бұрын
100000% wrong...it definitely does ..you've never done much r and d