We quickly replaced them with the less flashy damping feet, which were very effective in decoupling the subwoofer from our tiled floor. We always want the speaker decoupled from the floor, (whether that means decoupling between the floor and the stand, ... at decoupling a speaker stand from the floor than using solid metal spikes that come into direct contact with the sub-floor... Share Quote. Anyone … Improve subwoofer performance and reduce rattling. You can find them at any major hardware store. The term decouple of commonly misused. Big fat waste of time if you ask me. Try isolation feet first and see if it helps. I wonder if having a coupled subwoofer behind each speaker makes a difference as that sub energy is not … The result: tighter and cleaner sounding bass, less buzz/rattle in the room, and fewer complaints from adjacent neighbors in apartments and townhouses. I own a good quality 10'' subwoofer which I placed on the floor in my home studio. Forget the box of sand :-s get the Sorbothane feet and see how it is. What happens is that the air in the cavity of the decoupled wall acts like a spring, and like all mass-on-a-spring systems, this results in a resonance. Right now, the sub is just sitting on the carpeted floor, and my wife often tells me about constant rumbling in the living room below my office when I start turning the volume up. Copyright © 2019 Klipsch Group, Inc. My … But the nice thing about decoupling the subwoofer from the floors that you can use diaphragmatic absorption and absorb energy right at the source and decouple it also, so you minimize noise transmission also. See how the backs are sitting on the floor but the front is raised up with the front foot? So we decouple the subwoofer. But I'm wondering if I would also benefit from using the isolating, sorbothane subwoofer feet, as well. Pretty sure he likes the Wagner ones like this: http://www.newegg.com/Product/Product.aspx?Item=9SIA14R34C1398&nm_mc=KNC-GoogleMKP-PC&cm_mmc=KNC-GoogleMKP-PC-_-pla-_-Thermostats-_-9SIA14R34C1398&gclid=CjwKEAjw1riwBRD61db6xtWTvTESJACoQ04QzHi3kAloTv0L54_KCczEeH61GkhHSrjIsh0TWXb-JRoCu2vw_wcB&gclsrc=aw.ds. A subwoofer decoupler can come in many shapes, but the goal is always the same, which is to decouple the subwoofer from the floor. Stuff like those pads I mentioned or a floor mat likely isn't going to do much of anything and may even make it worse. Nothing really magical about the subdue except cost. There are many topics about loudspeaker isolation,but most of the popular solutions(and there is no one size fits all) are simply not relevant for 90 kilos speakers with a footprint,larger than an Auralex SubDude HT platform.The design precludes the use of … Separate ceiling joists (true room within a room) Separate ceiling joists (true room within a room) 2nd best. If you have a concrete basement or live in a concrete building, it's extremely easy to witness. Used to have a problem with my subs making everything in the kitchen rattle. The SubDude HD effectively reduces secondary resonance by decoupling your subwoofer from the floor so you hear your sub, and not the vibration of the other objects in your room. My Recordings/Credits. I've always thought that decoupling the sub from the floor decreases output by allowing energy to be wasted by the driver moving the cabinet as opposed to anchoring the enclosure and have the driver put that energy in the room. This is why you hear the booming car a block away(long bass waves). Then try things out with a decoupling device in place. DIY. Decoupling the speaker enclosure from its support surface will give the opposite effect and wouldn't be my first choice in virtually any situation. And big fat placebo effect of you think your subs sounds way better with one. Improving sound quality is another major reason why subwoofer owners decouple. Display as a link instead, × For well damped drywall (such as Green Glue damped board) Best type of decoupling . Of course, I don't want it sitting on top of a bath towel. I bet it could reduce vibrations though. Glenn Kuras . So if the subwoofer isn't terribly heavy and it's using wider feet (or no feet), then a nice, thick carpet pad will likely decouple that subwoofer just fine! The shaking of walls, floor, distubing neighbors is due to the long subwoofer sound waves. The effect is to minimize the influence of enclosure vibrations. Hello! I've heard of people cutting tennis balls in half and putting those under a board also. 1 Quote; Share this post. I even have a metal floor lamp next to me that I always used for grounding myself with because of this problem, and every time I grounded myself I would get a small shock - but it never helped anyway. The gliders certainly work in decoupling my main speakers and subwoofers from my bare wooden floor. So far, I cannot create any static like I was once able to. I just find it amusing that people with towers purposely try to couple them to the floor with spikes, and the people with subwoofers try to uncouple them from the floor with vibration absorbing mats, even "subwoofers" that are smaller than and cannot dig as deep as many of the towers that are using spikes. Soft rubber feet will help, not the harder plastic ones though. The best location can be found using the crawl and hear method. I didn't know anything about decoupling. Any wave longer than the room dimension will add to the pressure vessel effect. I was going to order some foam from FoamOnline to raise my subwoofer and keep the downstairs neighbors somewhat happy. They’re used to reduce wall and floor … However, that kind of assumes we're talking about serious subs. Decoupling involves breaking direct contact between the ground and sub to eliminate this problem. Is anyone doing this? Resilient channel. Keith Yeah personally I think your subs ought to be heavy enough to not move in the first place. Everything in audio seems to involve a series of tradeoffs and there is very likely some performance gain to be had by preventing micro-vibrations from the ground from affecting the sub (decoupling). Press J to jump to the feed. If you have an account, sign in now to post with your account. Improve subwoofer performance and reduce rattling. If I am walking in one corner of apartment the vibration from steps can be felt in other corner. Place your isolation pad on top or vice versa and you'll have made a lot of progress. Lastly, the 12” driver on the front of the subwoofer provides great visual impact and looks ready to respond to the slightest demand. So, I just learned that the Auralex SubDude II exists because someone asked about it on another forum that I frequent, so I decided to simulate the SubDude II by putting my subwoofer (ProMedia 2.1) on top of a neatly-folded plush bath towel, and all I can say is that I wish I had known about decoupling it from the floor YEARS ago. Clear editor. This means that you want to increase the distance a bit and provide less material for vibrations to be carried through physically. Powered by Invision Community. That is why the original question of the best materials or methods for decoupling the sub from the floor. Spikes though can literally penetrate right through a carpet and its pad. Or, is there a cheap, useful foam for around $30 that will work well as a DIY spring? Put isolation feet made by svs on them and the rattling went away. So we need to address the vibrations to the floor first. I do need to create a permanent solution though, one that isn't any taller than about 2" (for reasons that I can explain later). Or is there something that's equal or better for the same price or less that I should get? I've always thought that decoupling the sub from the floor decreases output by allowing energy to be wasted by the driver moving the cabinet as opposed to anchoring the enclosure and have the driver put that energy in the room. For speakers, or turntables, there's actually physics behind how they work. Sound travels through things - like walls, ceilings and floors. I am wondering if the carpet itself is doing the decoupling? If your decoupling worked correctly i suspect the latter might be your problem. My subs are on risers and shake the floors, walls, windows, ect. Items such as these decouple the subwoofer from the floor minimizing resonance that occurs. After all, it's one of those nylon or acrylic chair mats. Also, make sure that the subwoofer is not placed in any corner of the room which will cause the bass to sound boomy. Part 2 – Decoupling and Resonance. In this video, Luke explains how the design of the Gravitas Speaker System renders it … I already use those for speakers and subs, but it's more to protect wood floors and to protect the bottom of the enclosure from scuffing. To see the decoupling gliders, scroll down to about half of this page. Gear Guru . You money will go Poof! Note: Your post will require moderator approval before it will be visible. SVS Sells a set of 4 rubber isolation feet for $49.95 on SVS website. The Sonic Benefits of Decoupling a Subwoofer. However, in my experience, for bass performance, the performance gain enjoyed by coupling the sub to the floor … Just go to Home Depot, Lowes, or a similar store and get a thick floor mat for $5-20 . For this reason I think I want to couple the subwoofer to the floor as opposed to decoupling it. 30th June 2011 #2. What you can safely and definitely do is decouple the subwoofer from the floor by using vibration dampers or a box filled with sand as described in the article. Hmmm, never seen the box of sand thing done before. Jeff at AccuCal recommends them. Subs may have the same effect, although down real low I doubt you could tell any difference. Ace hardware had some in stock last time i needed some but any home improvement store should have them. The riser/subdue/mat can help with minimal floor vibrations. I'm sure I can't make the rumbling go away entirely, but I can certainly at least try to improve it for her. I don't have any reason to doubt that such things could work in certain situations. But meh, imho, there is better ways to isolate, and sand may get in your system and everything. I have that on carpet. To decouple the sub, place small decoupling feet on the underside of your subwoofer. The first "real" A/V component I ever bought was a subwoofer - a glorious 15-inch beast that made no attempt to hide what it really was: a big, black, utterly style-less cube. You cannot paste images directly. r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. I even did a little bit of shopping around for an anti-static chair mat, but thankfully I never made any purchases. TwoCables, October 2, 2015 in Subwoofers. Sound clips. Make it the exact same size. I still haven't done anything yet; my ProMedia 2.1's subwoofer is still sitting on my neatly-folded bath towel. With the SubDude HD, you are sort of recreating a similar scenario in your living room. In all reality, this sub is 11 pounds total and has a 6.5" driver and is already on carpet. Watch the video where he does a demo, huge difference that comes across even on a cheap recording. The coupling / decoupling of the sub to the floor In my case I have no choice in relation to #1, it is where it is, but it does have double curtains behind and along side it. About Jim Smith. It's meant to act as a cushion inbetween the movement of the subwoofer or speaker and the floor. × For my subwoofer i placed it on an old speaker stand and then decoupled it from the stand. Not only am I already hearing an improvement, but I can finally sit in a reclined position with my feet resting comfortably on the floor next to my subwoofer without being annoyed by the vibrating carpet and floor! or more, or perhaps if your carpet is deeper than most. I think people think they are snake oil when you use them with an amp or DAC or whatever. You money will go Poof! This is regarding my PC that I've got hooked up to my Klipsch ProMedia 2.1 set. lol So what I'm asking is, should I get the SubDude II? When you move two sheets of drywall apart you do improve things, but only at some frequencies. Who not wrap a board with some nice fabric and then glue a nice price of foam to the bottom. It'll be very easy to notice the reduction in rattles and things vibrating (like windows). I am referencing that pic you listed which has those 1/2" thick jig saw puzzle edges. If you are a musician or an avid listener, you are probably a little acquainted with the science behind sound, but we will provide a little bit of a refresher as this info can be crucial. Sent from my SPH-D700 using Gearslutz.com App Share Quote. Items such as these decouple the subwoofer from the floor minimizing resonance that occurs. These items are even useful on carpet as carpet is not effective in decoupling a subwoofer from the floor due to wavelength size in the bandpass. The benefits are highlighted in many user and press reviews that confirm cleaner sounding bass with increased definition and more punch for an immediate and noticeable improvement to subwoofer performance. Isolating/decoupling will 'probably' not improve sound quality unless the speakers are causing an audible resonance in the floor/room, if the downstairs neighbours are complaining then isolation might be beneficial. The Sonic Benefits of Decoupling a Subwoofer. Not sure how that is affected when we start talking about tiny little computer subs. Hello:I have recently moved to new apartment and now face a strange problem. It's a more dense rubber than any kind of foam. Is 5 inches a good number to lower the vibrations on the floor but still have a … I have installed padding and carpet to calm down the footfalls. Spikes are just old tech, don't do anything. 7th October 2008 #28. theblue1. Who knew?! (4 Feet) Fits most brands with included mounting hardware. Specifically, my question is, should I also use the isolating feet with a box like mentioned above, and if so, would I use them between the sub and the box, or between the box and floor, or both? A lot of people, myself included, have heard positive results from them though. The shaking of walls, floor, distubing neighbors is due to the long subwoofer sound waves. Press question mark to learn the rest of the keyboard shortcuts. Improving sound quality is another major reason why subwoofer owners decouple. My googling lead me to this article, which talks about making a 12-inch tall box full of sand and setting the subwoofer on that. The subwoofer or speaker can move all it wants, but the floor (and thus, also the walls and ceiling and adjacent rooms do NOT move because the decoulping device is acting as a "buffer". The big advantage is being able to move the speakers very easily. These are universal and can be used with a variety of subwoofer brands. Pasted as rich text. On a side note - while playing in the last few days - I've found that between 24Hz and 32Hz - I can get a resonant effect whereby the Sub will actually rock back and forth. Your previous content has been restored. When speakers are tested in anechoic chambers, they are isolated from objects around them that could introduce resonance. @georgelofi I'm not sure what variable determines whether coupling or decoupling on a slab sounds better but I have carpet and pad on a slab in a dedicated basement listening room and decoupling with the Herbie gliders does lend a new clarity and smoothness to the sound. Fits most brands with included mounting hardware. Nothing really magical about the subdue except cost. If you're isolating the sand, you actually isolate the wooden box that you sit on and not the sand. And then if you raise the platforms at different heights, you balance out the pressure distribution within the sound fields in the room. I was thinking about getting some 2' to If so how? Audio Consultant, Author, System Voicing Author - Get Better Sound President - Avantgarde-USA - North American Avantgarde Acoustics distributor - 1999-2005 Owner - Audition (High End Audio Shop) - 1979-1992 Natl. Basically, you just want to stop the vibrations of the subwoofer from reaching the hard structure of the floor. If ones goal is achieving maximum fidelity it is essential that the subwoofer be decoupled from the floor. × Any wave longer than the room dimension will add to the pressure vessel effect. Foam blocks can be had from your local fabric store as well but may not look as nice as rubber feet. I have a 80ish pound subwoofer and would like to decouple it from my hardwood floor. Especially with subwoofers, spikes can lessen distortion. Although I initially tried the Giant Decoupling Gliders, I often ended up using the standard ones on most system/room voicing jobs. Just go to Home Depot, Lowes, or a similar store and get a thinck floor mat for $5-20 . Step 1: Decouple Speakers from the Floor Vibrapod vibration isolator . Paste as plain text instead, × It is not possible to decouple a sub. That's EXACTLY what a decoupling device is meant to do! Decoupling subwoofer from floor? The spikes need to touch the floor through the carpet. Of course, I'd like to be a better fit for the ProMedia 2.1 sub than a 15" x 15" square if possible. Such as this about 6/10ths down the page: I have high-pile carpet too, so you'd think that would have been enough - but apparently my subwoofer was totally coupled to my carpet and floor. New comments cannot be posted and votes cannot be cast. The benefits are highlighted in many user and press reviews that confirm cleaner sounding bass with increased definition and more punch for an immediate and noticeable improvement to subwoofer performance. So we have this vibration which couples directly with the floor if you set it on the floor then obviously we have the pressure generated from the subwoofer itself. The only way to stop sub frequencies from passing through walls is to add acoustic insulation and increase the mass of the wall. The off-the-shelf products are too small for the footprint of the MartyCube. Gear Guru . I have two reasons for a permanent solution, the first one being the most important: Up until I decoupled my subwoofer from my carpeted floor (using my neatly-folded bath towel), I thought the culprit of the ESD was my chair mat. My opinion of course. Isolation pads for air compressors. The SVS SoundPath Subwoofer Isolation System was engineered to bring out the very best performance from your subwoofer by decoupling and isolating it from the floor. Put the isolation pads between the sub and the sandbox, the sand box is supposed to be the "immoveable object" that the sub sits on (consider lead shot or something, heavier the better) last thing you need is giving something even heavier then the sub a chance to wriggle around on the floor. Link to post The term decouple of commonly misused. Both crowds act like the results are amazing in terms of bass response. If they don't, then you're still decoupling the speaker from any solid support by placing the cabinet on a spongy surface. This is a unboxing video of the SVS subwoofer decoupling or Isolation feet. Some people say they're snake oil, just like most things in audio. Right now, the sub is just sitting on the carpeted floor, and my wife often tells me about constant rumbling in the living room below my office when I start turning the volume up. The increased height improved integration noticeably and also since i have wooden floors it reduced the excitement of the floor due to air pressure. Upload or insert images from URL. Best product for decoupling subwoofer from a carpeted floor? Jim Smith is well-known in the high-end, is author of the set-up bible, Get Better Sound, and is also now writing for Copper. https://www.facebook.com/groups/KlipschOwners/. The most popular method for coupling speakers to the floor is spikes. A subwoofer decoupler can come in many shapes, but the goal is always the same, which is to decouple the subwoofer from the floor. My subs are on risers and shake the floors, walls, windows, ect. I use a pair of heavy duty scissors to cut those off. This means that you want to increase the distance a bit and provide less material for vibrations to be carried through physically. When it comes to speaker coupling and spikes, you will need to understand some of the info on how these speakers work in the first place. Alternatively, you can lay down an isolation pad between your sub and the floor of your trunk. I've also seen some on some kind of hardware in some pictures. Concrete shakes and vibrates if you place your subwoofer on top of it without a decoupling device in between. Supposing there were enough towels to prevent this spring system from bottoming out, would this have potential? So, somehow the ProMedia 2.1's MDF cabinet is very conductive and was creating all sorts of ESD in my carpet and in my chair mat. Modern sound clips. If you don't want to make your own......try one of these, http://www.amazon.com/Auralex-GRAMMA-Amplifier-Acoustic-Isolation/dp/B0002D0B4U#customerReviews. Best decoupling selections for floor/ceiling constructions. If ones goal is achieving maximum fidelity it is essential that the subwoofer be decoupled from the floor. Luke Zitterkopf is the designer of the Aluminous Audio Gravitas Speaker System. No matter how you manage the decoupling, it will allow the enclosure to move slightly in … It is not possible to decouple a sub. The box weight of the sub is to light if it is dancing on the floor. By Does decoupling the subwoofer from the floor improve sound quality? There's a reason why dual opposed subs work nicely and it's not because there's never any box resonances in a traditional design. Banging the floor with foot gives you a sense that furniture and fixture is going down. Quite interesting to watch and makes quite a bit of noise as the spikes hit the concrete. The SVS SoundPath Subwoofer Isolation System was engineered to bring out the very best performance from your subwoofer by decoupling and isolating it from the floor. The riser/subdue/mat can help with minimal floor vibrations. 3rd best. For conventional (non-damped) drywall. You can post now and register later. Now there are spikes and all kinds of other things but I’m going to propose something else. It’s a matter of taste, but we preferred not to cover it with the fabric grille. This is regarding my PC that I've got hooked up to my Klipsch ProMedia 2.1 set. The building is very old and wooden floor is too alive. Decoupling a subwoofer from a surface would not stop the sound from passing through walls. I was planning on using their "Supreem" foam but was wondering on the height. If not, there's always the box of sand I suppose. Bass is a lot tighter and doesn't come through the floor. About the only time you’d need the giant ones would be if your speaker is maybe 125 lbs. Our primary goal is insightful discussion of equipment, sources, music, and audio concepts.
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