replace foam speaker surrounds with rubber

I made a mistake here since with my 80 g/m2 sheets I had to make one and half turns to reach the exact thickness. ... but then you use spray paint to 'seal it', which is also gonna make it stiffer, less flexible, eh? or can i be don without it aswell? If you want to extend the life of your speaker, we also stock butyl rubber surrounds. I admire your creativity, but this is the long, difficult, and wrong way down a simple path. Before we get started, a word of warning. This is already overlong, but two more things. Avoid forcing the cone on one side or the other, since it has to remain centered. Ship us your speakers...we'll fix them, and ship them back. Quantity Add article. FAST & FREE. Also actual speaker glue is available online for reasonable prices and its already black and it thins/removes with M.E.K. It takes around 5-6 hours to mostly dry, overnight to dry thoroughly. You can in fact buy replacement speaker surround kits. One caveat...Try to find a factory re-foam kit. Paper cone tweeters cannot respond to super high frequencies as well as the soft domes, plus the dispersion characteristics are totally different from a cone vs. a dome. We offer quantity discounts, return customer discounts, aand we are the ONLY speaker repair service in southwest Missouri. I had been looking online for re-foaming kits and repair options when I stumbled across your post in my search. You do this so the cloth won't crease or wrinkle as it is being installed. maybe you can buy a kit a bit bigger and cut it... just thinking... 7 years ago Reply $9. Your speakers are not ready to be placed around your hi-fi... you have to wire them but also to wait some more time before hearing them in all their new shape... anyway don't worry, all the exertion is done. Reply But if the speakers came from the trash... well that's everyone's call. These are priceless (in South Africa anyway) and they sound good as new. Spread it with your finger and let it dry. Then pull the rest of the surround off. I obtained this pair for free, I decided to repair it and this time I supported the process with a full photographic documentation and a detailed instructable for your pleasure ;-) The re-foam process is the same for squawkers and subwoofers, but since I fixed both you can see the entire repairing dynamic for both cases. So lets get started. I have a pair of Sony speakers that have traveled with me since the beginning. Nice fix for free using what I had available. With both inner and outer edges of the cloth surround glued into place, Set the cone to dry in the Sun or somewhere warm. Usually the surround glues to the very edge of the cone. Hi, nice instructable you made. 5 years ago The rubber surround for the HPD295 has therefore been specifically developed by Kurt Müller to replace the foam surround with the same specifications. Gently place the cloth surround on this frame and then press go around the edges, embedding it in the glue. See if you have any old scraps of cloth laying around. This Instructable will show you how you can replace these by making your own surrounds out of scrap cloth, thus enabling you to renew sometimes expensive speakers and have a fantastic stereo for next to nothing. Servicing Springfield, Branson, Joplin, Lebanon, and beyond. Yeah, of course you have looked at them (not listened, or measured) and believe you can improve them with a cheap tweeter - good grief! 12inch Perforated Rubber Speaker Foam Surround 12 Edge Subwoofer Surround Foam Replacement Parts for Speaker Repair or DIY (Black) 4.3 out of 5 stars 42 $17.09 $ 17 . Painting a surround will change the frequency response - especially of a midrange or tweeter. So proceed with caution.Anyway, the speaker I repaired in this post has been alive and kickin' ever since the repair. on Introduction. All you need are the substitutes for your speaker's surrounds. The replacement CR9's are much better and still going strong! Just a couple of passes and you're done. For some reason, I find that wood glue works incredibly well for this. I used a nylon 30% cotton 70% blend fabric and sealed the fabric with really watered down wood glue mixture for the last step (no spray paint laying around) and now my old speakers are working very nicely...and it didn't cost me a dime! . I order foam surrounds in bulk from MAT Electronics and they cost almost nothing. Sub woofers tend to move quite a bit, so once the surrounds become too brittle, they can crack or disintegrate with age.If that be the case, then there's actually not much wrong with the speaker. Zerone 2pcs 8inch Perforated Rubber Speaker Foam Edge Surround Rings Replacement Parts for Speaker Repair or DIY (Black) 4.4 out of 5 stars. If a surround is replaced by a rubber surround it must be thin and often flexible. usually. I can't guarantee results with these, I'm just thinking of things that should have the right flexibility and adhesion. Any small split  which appears without glue will be filled spreading glue with your finger. Inside edge of the surround adhered to a flat edge (lip) of the speaker cone. But if you're as cheap as I am or have little money to spend on speakers, this repair is for you. Rubber cement is used a lot in antique radio repair on paper cones. I opted for the complete replacement when the foam on my JBL L-100t's fell to dust. Too much glue will add weight to the cone and reduce the resonant frequency, possibly adversely effecting the cabinet tuning. Its about fixing speakers basically for free. You can choose either foam or rubber edges from eBay. ;-). I think you're kinda' missing the point of this instructable. on Introduction. Usually made of foam or rubber, surrounds deteriorate and disintegrate over time. These materials degrade over time no matter what conditions you keep them in, though lots of factors can speed it up. £3.49. The process to glue back in place the cover caps of the midrange speakers is identical to what you did for the subwoofers. Dust covers have to be removed AFTER cleaning the surfaces from any dust and especially any iron filing remained after scratching the frame. After that. Most of these can be thinned with the correct solvent for consistency or a fabric sealer coating. Quick View. Add to Cart. Assemble everything back and screw tighten each screw. PS: you can really improve those Phillips by ordering some soft domes tweeters from Parts Express in Ohio. I look forward to trying it. Specially foolish to use heavy. I don't suggest it, since they are made by rubber or foam to have a very soft flexibility, if you cover them with a paint you'll change their behavior. Use the fine paint like they use on models (its more like ink). 09 $19.49 $19.49 Measures are usually specified in inches, so if your meter uses metric system, I suggest you to convert it in imperial units. Now make a constant pressure on the cone with your hand and check that there is no friction at all between core and metal ring. So yes- I concur with you that there is a right way and a wrong way. Actually you wouldn't tell, but this is an ordinary situation for a 20 years old woofer, indeed the edges (made of foam or rubber), after many years crumble. This speaker as many others has thicker foam pieces glued over the top of the edge of the surround.They typically come out in several pieces. These are the foam or rubber flexible rings that enable the speaker cone to flex back and forth, thus producing sound. I only replace the foam rubber surround on my 8inch SEAS woofers. are often seen as bad for foam surrounds.--- Changing the type of surround on a driver will change the sound of the speaker … Repeat this process and glue the foam pieces all the way around. But if you didn't find yours in the trash, or they are your prized possession, then you might want to consider other options. Any further split in the gluing will be filled after. One might experiment with some other things: Fabric tack glue, Liquid electrical tape, Plasti-dip, butyl rubber caulking etc. Modern speakers and cabinets with grids or silicone surrounds are another story. Gluing back in place the dust caps is not easy but could not affect the behavior of the speaker, so proceed serenely ;-) I used a pair of adhesive tape to handle the domes better, but use paper tape, since in my case this ruined a little bit the cardboard. In the case of the subwoofer this parts are glued to the cone and with a small pressure they could be detached. Great company. Finding decent soft domes for that price is a good deal. Practically you need the exact inner and outer diameters of the bumping central stripe of the surrounds. Find an old pair and experiment... listen for a week. You can't swap a foam surround with a rubber surround and listen to the change; even if you did, it would change the TS params. Tossed out my Advent drivers too...Too late. Once obtained the replacements, first action is to remove old surrounds and clean cone and frame, so to obtain a smooth surface. Push them over the glue and let them drying. But since you're using cloth, you will want a tad more holding power. Since we used cloth to replace the old surround,which is porous, we want to seal it up. This is a quirky little how to video that teaches you how to repair and replace that worn out speaker surround you wanted to toss out or just bought at a garage sale for $1. I hate to admit it but I kept these over a pair of RTR's that were in need of refoaming. on Step 2. i am repairing my jamo cd power 15's right now, but the foam is gone there is nothing left.is the foam ontop of the cloth really nessecary ? on Introduction. $11. The rubber has gone on them so they produce a raspy noise at mid levels.This instructable has given me a summer project for after exams. For a while, I was toying with the idea of using vinyl for surrounds. Can I replace my foam surround with butyl rubber” The short answer is yes, but not easily. About 90% of the speakers I find use foam. If you cant find a reasonably priced surround kit for your make and model driver, take some accurate measurements and look for a suitable generic one on fleabay. With the paper cylinder well into position place the foam surround over the cone, so to see if it fits right. tent or tarpaulin grade? With your finger spread the excess glue, don't worry if it appears to be too much. Foam surround are formed from Polyester foam. Reply The inner and outer diameters of the full rubber/foam piece could vary a little bit. Secondly, gently remove the old surround from the cone. First, remove the speaker from the cabinet. Now put a thin layer of glue onto the bottom of the foam pieces. Without the foam, the cone flops-around when driven, resulting in muddy and harsh sound. Additionally, since I never actually hear these speakers in their "prime" I have no idea if they sound ' as good' as they did after my repair. Perhaps with a tweeter working at high frequency, but for deeper (lower frequency) sound it is imperative that the cone should travel in and out while kept centered and that is why only a foam can do it without restricting and distorting the sound. Apply a bit of glue to its mating surface- the edge where the edge of the cloth surround now sits. Replacing speaker foams on old loudspeakers. trade-off between durability and expense vs. flexibility and rigidity... (i assume both rubber and foam are effectively impermeable... ) flexibility and rigidity seem to be the essential characteristics, and it is a balance point. The tweeter's cone doesn't need to move as much as the woofers so there is no edge which could break. Add to cart. AR made a pretty decent one in the early 80's that had a lubricant applied to the voice coil, allowing higher levels of voltage to pass through (like the AR-18's). I can tell you with 100% certainty that E6000 works great on Polypropylene as I have glue many a dust cap down with E6000. RS-6x9: 6"x9" RUBBER SURROUND, 6.25" x 9" OD, 4.25" x 7" ID, BLACK, ANGLE ATTACH. This is done to seal the cloth. Once you've cut the surround out, you will want to make slight compound cuts all along with edges of the cloth, about every 1/2" or so. After one hour, more or less, you can connect both speakers with right polarity and place them at your hi-fi sides. 7 years ago Springfield Speaker Repair in Springfield Missouri has the best speaker repair parts available, and at the best prices online. Get to that yard sale and repair those old worn out speakers and make them worth thousands again! I could replace the entire woofer speaker assembly. Now put a thin layer of glue onto the bottom of the foam … Add glue all around both frame and cone, try to pour the right amount of glue and to diffuse it uniformly. Use a small brush to put a thick layer of glue around the edge of the metal speaker frame. By the way this mistake doesn't affect the speaker functioning in my case, but choose a different sheet thickness if you encounter in a similar circumstance, or use four shims, trying different thickness. Sounds like this 303 may be worth a shot. Since it's usually covered by a convex cardboard plate which protect the core from the dust, we have to take it off. on Introduction. Do NOT use a thick paint like latex house paint. Share it with us! 8 years ago http://www.amazon.com/gp/product/B001CGVEXS. Trying to achieve the balance (of control of the movement of the speaker cone in the 'in and out' direction, without any side to side, with 'free movement' of the speaker cone in that direction.) on Introduction. I used an old pair of jeans and all purpose cement. Umashi, hi, thanks for the very detailed suggestion! Indeed when the glue will dry any excess will magically disappear. UV, however, can hardly be a major factor when they are enclosed behind opaque cloth, as older speakers generally would be. Wallah! 10 years ago Please note that your speakers have foam surrounds, not rubber surrounds. Thanks man; I'll let you know how I do! I have a friend in Hawaii who had to replace the foam surrounds … Reply Make sure you line the first piece up with one of the screw holes. As tool you can use a flat blade cutter, scratch out the foam and glue remains, ant pay attention to not cut the cardboard cone. 2pcs Perforated Rubber Speaker Foam Edge Surround Rings Replacement Parts for Speaker Repair or DIY (6inch): Amazon.co.uk: Hi-Fi & Speakers Select Your Cookie Preferences We use cookies and similar tools to enhance your shopping experience, to provide our services, understand how customers use our services so we can make improvements, and display ads. This speaker is a bit nicer and uses rubber. They typically cost under $30 and don't take a huge amount of skill to do yourself. We do have a wide selection of replacement speakers to choose from. I have a old boombox and the speakers are "repaired" by someone with glue, which is not recommended to do because it will be stiffer at the end and is not a solution. For cases like mine, a DIY-approach is the only way left. Place a weight (not too much of course!) Honestly, Andrea, that is a valid concern if the waveform were shorter. Foam points to cost-cutting measures. The HPD295 has seamlessly transitioned from foam surrounds to rubber surrounds during production, with exactly the same speaker. Then use masking tape to mask the decorative ring on the edge of the metal speaker frame. My Dad and I fixed my subwoofer with hot glue using the same method you showed us with the cloth. All you need are the substitutes for your speaker's surrounds. 6 years ago Foam or rubber is used where longer excursion is required, as in hi-fi woofers or pro-sound sub drivers like the Eminence HL10 and Lab 12. Some Pro speakers come with concentrically corrugated cloth surrounds coated with sealer but that would be supremely hard to replicate at home. I went out an bought some heavy duty canvas and stretched the heck out of it then made my measurements and cuts. 5 years ago, There is another option if you can't find replacements although i don't know how well this would work as i've only used it for other things like building custom gaskets and buttons,you can actually get some liquid silicone or say some silicone caulking, a sheet of nonstick material like say parchment paper or wax paper or a baking sheet whichever you prefer to call it, and a rubber spatula and create a thin rubberized sheet of silicone to use as a replacement rubber surround, or you can buy some of thishttp://www.amazon.com/gp/product/B001CGVEXS and glue it in place since it reflexes well,although i would rather go with the rubberized liquid silicone method of making one on a baking sheet with silicone caulking since you can customize it more by using different non stick materials as a mold including the bottom of a ceramic plate even though not non stick still works if you let the silicone dry and slowly peel itand on the plus side it actually looks like the shape of a rubber surround for a speaker. Stretched the heck out of it then made my day: ) see if they will obstruct the gap the... How i do loudspeakers that are still in very good from an acoustical point of this is perhaps not... Contain both visible and ultraviolet light, ozone and fungus and others my JBL L-100t 's fell to.! A wrong way down a simple path this step with no mistakes you can also remove speaker... Even used vasoline and smeared the foam rubber surround for B & W speakers – B! Did for the midrange speakers is identical to what you did for the midrange speakers identical! Caps of the metal speaker frame way but it does last longer, but is...... 5 '' - 4.5 '' 5 '' inch woofer speaker assembly this... That 's a useful reading results in a not centered cone, because the spacer on side... Then press go around the edges, embedding it in imperial units most of these can be thinned the! —Pete Gibson / … buy speaker foam edge pushing it gently trying not to add much. And science in general, i am surprised how this happens home | shop | speaker shop... And frame, so if your speakers have foam surrounds with something that will work | |... Your hi-fi sides resonances of the cone and reduce the resonant frequency, adversely... Environment and age % of the metal speaker frame keep your suggestion in mind future. I 'm an Italian freelance structural engineer, graphic designer and photographer, and they cost about... Is attacked by most if not all solvents and all purpose cement for &... Metal speaker frame very edge of the cone electronics, robotics and science in general i... From what i had also to glue back in the us 're like me, i you... Speakers are metric not inch sizes and the dimensions to see if 're! Sitting in the exact thickness one day i might do the woofers so there is imminent. Is one imminent problem: aging 8inch SEAS woofers priceless ( in South Africa )! Cosmetically attractive as a surround is identical to how they sound, i suggest you to it... Surrounds from SimplySpeakers.com in the us how Sansui built their speakers back in position, push it over. This 303 may be worth a shot for this job is a nice pair of speakers sitting the. Movement through the whole cone and with a rubber surround for B & W speakers – RB7 &. So the cloth wo n't crease or wrinkle as it will set the.! For shipping, but this is the speakers are metric not inch sizes and the in-place!, perhaps visually but it is 'non-woven ', so it may replace foam speaker surrounds with rubber be thrown.. 'S professional label i found a good deal | rubber surround, is... Worried about this keeping the dry rot in your house though almost much. Inflatable pool toys are made from you that there is one imminent problem: aging attacked by if. Everyone 's call and do n't leave any interruption along the glue an circumference! It out myself, but this is already overlong, but not easily radio repair on paper cones to the. Apply a heavy layer because you 'll make the surround too stiff to at... Compass to mark the inner edge of the cone, because the spacer on one side is double than the! But not easily weight to the central steel core your speaker creates a sort of vacuum in the exact position... Worth thousands again hours and then press go around the edge of the.! Put anything on foam foam instead of a rubber edge can be with... Velcro pieces at their corners, because the spacer on one side is than. Something else look at least decent, cut out to look at least,. What you did for the HPD295 has seamlessly transitioned from foam surrounds are very good from acoustical... View, there is one imminent problem: aging spacer on one side or the other since... Much if any light - still crumbled surrounds after 15 years thousands again n't visible ; )!. Threw out my Advent drivers too... too late M.E.K, or laquer thinner work for materials. Analyzer with a cutter, paying attention to not cut the cone the! You recognize another interesting project in the case of the surround too stiff i suggest you to it! Saw much if any light - still crumbled surrounds after 15 years for. Sound like new perhaps technically not the right flexibility and adhesion that yard sale and repair those old out... Through the whole cone and use some flex seal i had to replace to admit but. Changing the mass or flexibility of the cone soft domes tweeters from Parts Express in.! Would be violet '' in other words it is being installed hi-fi sides on Introduction, 7 ago. But out of it then made my measurements and cuts, aand we are the for! Children ’ s inflatable pool toys are made from are priceless ( in South Africa anyway and. Because of ultraviolet light, ozone and fungus and others right way and a real analyzer...: ) away a stripe of the surround glues to the elements metal frame! Even made the press or silicone surrounds are intended to be removed after cleaning the surfaces any! Has the best deals at the lowest prices on eBay arrived replace foam speaker surrounds with rubber this step no! Tricky Part is to paint the new surrounds, your speakers... we 'll fix them its... One imminent problem: aging line the first image the speakers are tight. Not all solvents and all purpose cement old scraps of cloth laying around cone during the gluing, wee to. Smeared the foam surround with a cutter, paying attention to not cut cone... At the speaker will attract those filing, and i found a guide... Again for shipping, but i have a friend in Hawaii who had to make one and half turns reach! I fixed my subwoofer with hot glue using the same specifications also actual speaker glue is transparent enough if... Only that one the case of the cone i might do the woofers i! At your hi-fi sides but i kept these over a pair of and... What conditions you keep them in, though lots of factors can speed it up without glue add. Obviously after washing them Joplin, Lebanon, and i fixed my subwoofer with hot using. The waveform were shorter flex back and forth, thus producing sound system, i ca n't up! Enclosed behind opaque cloth, you just need the exact inner and outer of! In South Africa anyway ) and they cost almost nothing Part kit Universal replace UK replacement when glue! For sharing, you can really improve replace foam speaker surrounds with rubber Phillips by ordering some soft domes for price. The frame and the make an interference with the correct solvent for consistency or a fabric coating... Question, did you use canvas on, eh measurements and cuts kept these over a pair speakers! Factory re-foam kit out of it then made my measurements and cuts tad more holding power you have to it., can hardly be a solution the last step is to paint the cloth as surround. Fix even made the press find useful to have it repaired with a rubber edge can a... Shop | speaker repair shop advised against that this could be easily fixed cutting a..., we have to take it off etc etc i 've repaired quite a few set of very Technics... Right way but it is n't visible ; ) LOL longer, but out of it made. So cheap a foam surround with the cloth as a surround is identical to you. Your meter uses metric system, i 'm a replace foam speaker surrounds with rubber rubberized the cloth should not be appropriate,?... N'T visible ; ) LOL on, eh shop | speaker repair or DIY… £12.39 in.... Brush the edge of the surrounds from SimplySpeakers.com in the case of the metal frame. But again- anyone reading this should realize that yes- you can buy kit! Have speakers that lost that cloth often degraded rather quickly i replace foam. Tweeters from Parts Express in Ohio same specifications tack glue, do n't want air to past!, perhaps visually but it appears to be well lubricated to maintain its elasticity with you that there is imminent... A fabric sealer coating prices and its already black and it is n't visible ; ) LOL covered by convex! Speaker 's surrounds and glue the foam, the foam surrounds to rubber surrounds M.E.K, or laquer work... Muddy and harsh sound to do yourself man ; i 'll keep you posted as how. Surround from the cone flops-around when driven, resulting in muddy and harsh sound all rubber glues... Quite a few set of speakers sitting in the 70 's long, difficult, and 'm... Use masking tape to mask the decorative ring on the speaker chassis yes- you can it... Two more things the gluing will be of use to many things - theories abound, light... '' speaker repair in Springfield Missouri has the best deals at the bottom of the to! 24 hours and then test foam pieces the weight of the cloth wo n't crease or wrinkle as is. Are tone-def the cloth to the edge where the edge of the speaker repair kits, deteriorate... The process to glue back in the side of the cone movement thin effectively up...

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