Stereo Integrity Audi A4 Avant Stealth Build: Infinite Baffle and Subwoofer Protection
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- Опубликовано: 28 авг 2024
- When I posted build log photos of the IB-24 stealth build on social media a lot of people were quick to give me multiple reasons as to why this is a bad idea, why it's not going to work, how I'm going to damage the sub, and so on.
I could spend way too much time and effort explaining the build or I could just make a quick video.
Here's that quick video.
Hydrophobic mesh: www.moflowvent...
Foam: www.parts-expr...
I goofed. It was the HS-24 that was installed and caused the initial outrage about the motor hanging below the floor of the car.
i have been installing sound systems for 30 years in custom homes and cars. Your design is spot on. I watched some of your earlier videos. My first thought was that you would need some sort of mesh to stop spray coming into the bottom chamber of the sub . Then you posted this video doing exactly what I was thinking. Looks like you got it all figured out to me. dont listen to little kids who dont understand what you are doing. It is nice of you to try and explain it to them. They just dont understand that the speaker suspension is built to operate free air with out an enclosure. Its a very different type of speaker then they are used to dealing with. Looks cool to me
Baffles me that people don’t understand IB or what your doing to protect the motor. Great filter setup.
Ha Baffles...nice one..😂🤣
Technically this is an "Aperiodic Membrane" setup. That's the ONLY WAY this particular system would work with that BIG ASS HOLE in the bottom of the trunk. The woofer has to "Breathe" through that Resistive Material, which fools it into thinking it's in a MUCH LARGER BOX.
A Standard IB set-up uses a traditional baffle-board to separate the front & rear waves of the speakers. Think "Free-Air Woofers" that use the trunk as the Enclosure.
@@pastorofmuppets325 These kinds of comments are exhausting. Air is complicated and you don't understand it.
IB is rare these days
another one of your very underrated videos and explanations.
That system is going to work very well. Not to mention gravity will be assisting.
Searched RUclips for “floor infinate baffle speakers” and saw this amazing build. Just watched all your vids and subscribed. Can’t believe you only have 344 subs?! I’m sure that’ll change soon. So looking forward to more. I’m sure I’ll click here before the any of the 500+ subs I have.
Thanks. The big issue is that it takes so much longer to shoot video if there's anything I'm wanting to edit for the channel.
You need a bigger enclosure than infnite, lol.
I have seen this done many times with SQ cars in the European scene, and a good infinite baffle setup absolutly destroys anything else!!
Dont listen to the guys who dont know what they are talking about, when you obviously know what you are doing.
Right :) The universe might not be quite big enough :) lol
Another consideration. Since the sub is in a sealed cavity, it's like taking an upside down glass and submerging it in water. The water is displaced by the air in the cavity. So even "IF" you submerged the car in water, I'd bet the sub wouldn't get wet. Even if water did get by the mesh and screen it would air dry quickly after. Could just bump the sub to push the moisture out too lol
I have been a car audio nut since the mid 90's. I am looking forward to see and hear the final install. Nobody has really done decent infinite baffle subs in a car in a loooong time. That 24" is going to look badass moving around in that hatch.
You must not go to many SQ competitions.. IB is a popular choice because of the low freq. reproduction. Seen lots of guys do setups exactly like this.. can see the sub from under the car...
@@badlilstang No I don't. I don't know of any SQ competitions around my area in N. Cali. Most sound offs or shows I have been to are DB contests where the vehicles sound like a giant rattle can from outside. The only infinite baffles Ive seen are either some smaller subs in the rear deck or 12's attached to a baffle behind the rear seat. Looks cool but sound is ehhh.
Looks like a great solution!
Thanks for the video, I had already given up on those idiots, but they need to see this!
This is awesome and has given me some ideas for material and confirmed some material I've already picked out when I go to do this in my car. (I plan to use my Ultimax 18 that has been sitting in the spare room idle for a few months, maybe grab one of these in the future if I like the Ultimax 18 enough in IB)
Thanks!
I wouldn’t bother explaining anything to the willfully ignorant. Enjoy your build, it’s impressive.
You got a Camaro and a Coke machine, you’re cool in my book.
That Camaro is HOT!
Great explanation...keep doing things BIG #TeamSecondSkin That water test was on point!!!
It's all about innovation. Good work!
This has been done for many many years.. I don't think the majority of people who think they know car audio understand how IB works..
@@badlilstang but in the floor of a car?
This is so refreshing watching someone talking about car audio who isn’t full of shit!!! I think it’s brilliant what you have done with that car! There is a guy called peter who has a company called ps sound. He has done a infinite baffle in his competition car and he has used a special kind of foam like material underneath the car to stop water getting where it shouldn’t be. Check it out. Good luck with it all, I’m now subscribed, look forward to seeing more content :)
Why worry what others say? It's a bad trend of society these days. I don't CARE what someone else thinks about a build I am doing. LOL. Have thicker skin folks. Do you and everyone else can go fly a kite. 💪
awesome build ...its going to sound awesome....
Super cool.
WOW!
Hey man, love the channel. Might help to focus on the actual building of the system, wiring, measuring and installing the equipment.. Don't waste your time on dummies that do not understand how things work...you will be spending most time explaining things instead of making progress.. Maybe if you don't know...there is a good channel PSSOUND that has a lot of info on IB setups..And he only uses one layer of rainguard on the outside of the vehicle..You might want to reconsider the foam layer...for the subwoofer to breathe more? And if the layers aren't completely sealed it might suck up moister and i am not afraid for moister ingress but more the saturation of the foam and the woofer breathing less..
justkiddin1980 I have more videos coming that will detail the build. That quick test was literally thrown together for the video. I wasn’t going to cut any of the material until I was ready to install it in the car.
@@BatdogGarage If you haven't seen the pssound channel yet i would recommend checking it out for inspiration..peter is a great guy.. and btw thnx for answering!
@@justkiddin1980 Very familiar with Peter's work.
@@BatdogGarage Yeah he is great too...i am really excited on what you're going to do on this channel..Love the workshop...wish i had a space like that! And ooh yeah new subscriber...👍
This barrier seems to work very well at stopping water from entering. But I would have two concerns, 1) that "actually beating on the system" in a wet environment, would create massive suction that could "force water through that barrier under very high pressure"..... and 2) "any" restriction of airflow would affect the performance of the sub. Absolutely LOVE this build though. I think I have a very simple solution. Don't take it out in the rain :)
I told him the same thing.
Hydrolocking the subwoofers motor movement. He dismissed it.
I feel he should have just inverted the sub. A lot less issues with only the cone exposed. Not the motor and suspension and leads and pole piece, ect ect.
@@hardhead7056 This demo vehicle is owned by the owner of Stero Integrity. If the sub suffers damage it can be replaced.
Have these people been living under a rock? There's a ton of cars running subwoofers in the spare tire well, vented to atmosphere. It's been being done for years. I don't know how many I saw at Finals last year, but I know Ben Zimmerman has his Durango set up that way, as well as several other people.
I don't get it, but it's much easier to just provide a link than it is to spend time trying to explain to each individual the how/why of what you're doing.
LOL, I almost brought up Ben Zimmerman's car, as well as the Kia with the W7 running magnet up.. look under that thing and there is a giant cone just out in the wild lol. I think it's mostly kids or people who didn't get that far into car audio who don't understand how it works.
I trust u 21 seconds n, seeing that prolly split bumper!!!
Hilarious all the idiots do not understand IB... we have been doing this in car audio for MANY MANY years.. its going to work fine.. I know a guy who had a 13w7 ran IB and you could see the subs cone if you looked under the car.. (He ran it magnet up obviously ). The people giving you crap understand nothing about car audio if they think you have to seal a subwoofer or have some type of enclosure..
Hello - might be a generic question, but where did you purchase the mesh and reticulated foam? Been looking but having a hard time finding these materials.
The stainless mesh I got at the local metal shop. Reticulated foam is available at Parts Express and the hydrophobic mesh is available from moflowvents.com
Hello. My name is Uzi and I'm from Israel. Nice to meet you. Can you tell me about the network what size holes are there? I mean the number of holes per inch. Thank you and waiting for your reply.
I just came upon your channel. I like your videos. One question is how do you calculate the minimum amount or rear opening for different subs ranging from 15” up to the 24” installs. I didn’t want to cut the whole spare tire well out if it’s not needed. Thanks for any advice
IIRC it’s something like half the cone area minimum. Could be wrong though
inverting a waterproof subwoofer would be an indea
lots and lots of idiots on facebook,more than on here maybe,i dont know,the internet is full of keyboard warriors that wouldnt say shit to your face,so who cares bro,you know what your doing,ive talked with peter several times at Pssounds and he is just a awesome guy and killer installer that does these builds all the time,because it works,how well does it work ? well he's champion in sq and the cars he works on win win win.oh and btw stereo integrity is awesome Nick is a smart dude.i have two vehicles both running active with stereo integrity tweeters that sound amazing,,,to me.
Sick fab room bro!
Thanks, Matt. Waited years to be able to have a place I could set up the way I thought it should be.
@@BatdogGarage I have a two car garage and have to store allot of my wood tools in the attic. I have router table etc, but having space like you're shop would be a dream! Gotta move outta so cal and get some more space!
@@handymadness, the wood shop is 27x11. Half of a 2-car garage.
I look at from a perspective of "If I have to take up floor space, I should get the most out of that space". That's the reason there so much built into the outfeed table and so much storage in that mobile cabinet. There are a ton of tools in the shop, but they're stored away so it looks clean.
Batdog Garage yeah that’s awesome. I’ve done the same. A tour of your shop and how laid it out would be amazing great if you haven’t done it before. I’m a pain doctor but car audio has always been my passion hobby.
@@handymadness, wood shop or wood shop and bays?
Once that material gets wet it will drastically inhibit the airflow through the layers. It will hydroloc the sub. It will no longer be infinite baffle. More like an apperiodic membrane. If your lucky. It Could just freeze/arrest the cone movement. It may only work in dri conditions. No way i would run the risk of running that system with wet layers like it seems you are suggesting.
Nope. It'll be fine.
As you drive, there will be a lot of air movement. That, combined with the sub moving air, will dry whatever humidity present pretty quickly.
@@haukurthorsmarason5267 will it dry in between bass notes or drums?
Quickly is nice. But way to slow to be able to keep a consistent respose curve from the subwoofer.
The water will drastically change the subs characteristics during playing.
He can only take it out when weather is dry.. he should have inverted it and left the hydrophobic mesh out of the system completely.