Discussion in 'DIY' started by Theophilus Punoval, Nov 24, 2011. Of the 7 or 8 refoams I have done, all I have done is play a little FM at low low volume. Re: Best adhesive for refoaming? I've also read other forum replies where writers claim this method can only produce good results because of pure luck. affiliations include, but are not limited to, the eBay Partner Network, and Or you can just buy a pair of foam rings on Ebay for $9 with free shipping. Paint with black paint to finish. Our YouTube videos make installation easy! Depending on your countrys customs some orders may take over 30-45 days. Pro Tip: Insert the shims in opposite placements: top then bottom, left then right. After you first glue joint is completely dry apply a thin layer of glue to both the steel frame and outside lip of the foam surround. 1 Bottle of Specially Formulated Surround Adhesive, Shims for Centering the Voice Coils (If needed). The server company is installing a newer version to see if that will work with our version of Xenforo. For the occasional refoamer who choses to shim, the business card idea seems a good one. I started refoaming speakers about a year ago. Select the department you . of the surround = 9.875 Angled attachment to cone of the surround = 6.875, Angled attachment to cone A Outside diameter of the surround = 6 PC audio advice (dac/Amp vs Soundcard) and 7.1 surround sound, Steelseries arctis pro buying a DAC advice. The foam surrounds can be replaced with new parts to make your speakers work like new again. of the surround = 8.75. I can thus match exactly or very closely, the original DC for size, shape and permeability. Mark the wires and terminals (positive and negative) before you remove the component so you will remember how to correctly reinstall it in the cabinet. Second, you can upgrade to high-quality speakers. Last Updated: February 15, 2022 There are plus and minus aspects to either method. thanks Robert and Carl. FREE shipping to any USA address. I know this is an old post but I thought I'd add my two cents worth. Refoaming Instructions Boston Acoustic HD 7 HD7 7 Woofer Refoam Speaker Kit w/ Dust Caps! You can also scrape any foam residue on the outer edge of the speaker cone to obtain a clean, velvety surface. Dries flexible, strong and clear. of the cone = 7.5 Step 1: remove the dust-cap Place the woofer horizontally on the back. Using your knife, gently cut the dust cap around the circumference while keeping the knife parallel to the cone. Now, just imagine a cross-section of a woofer. Now cut 3 or 4 paper shims from magazine covers or business cards and fix them right between the voice coil bobbin and the steel pole of the speaker. A O.D. Cerwin Vega 12 Inch Foam Speaker Repair Kit Cerwin Vega 12 Inch Foam Speaker Repair Kit FSK-12AR (Pair), Large Advent 10 Inch Foam Speaker Repair Kit Masonite Frame FSK-10AD (PAirP, Standard 10 Angle-Attach Speaker Foam Surround Repair Kit-Universal 10 Inch, Cerwin Vega 10 Inch Foam Speaker Repair Kit FSK-10AR (Pair), Boston Acoustics 8 Inch Foam Speaker Repair Kit FSK-8 (Pair), Simply Speakers 8 Inch Foam Speaker Repair Kit Compatible With JBL 116A, 116H, FSK-8 (Pair), Bluecell 10 Rubber Speaker Edge Surround Rings, Audiopipe 10 RING-10BZ MDF Speaker Ring Recess with Bezel MOUNTING Spacer, Universal EVA Self Adhesive Sponge High Rebound Waterproof Car Door Speaker Foam Fast Baffle Kit, Paradigm single edge 10-inch Foam Speaker repair Kit FSK-10A-1. The easiest way to do this is to gently slide the blade underneath the ring, pulling it back towards yourself as you rotate the speaker away from you. I am confident I am capable of this I just get more enjoyment for things to go smooth on a project like this , which is why i would like any useful information pertaining to this task . If I'm not mistaken, a couple of accomplished and well seasoned individuals who have had actual AR Corp. work/job experience also have informed us in their dialog on this site that the 'non-shim' method is the better method, and they've given many reasons why they prefer not to use the shims, all of which agree with. We found 85 results matching your criteria. If not, then the repair is successful. I am about to break into refoaming speakers . Foam is generally more flexible than rubber. I have 2 pairs of legacy studio monitors (Altec Lansing Model Fifteen and Acoustic Research AR-3a). is there any surround left and does the voice coil scape at low levels? *It can be difficult to refoam a speaker without removing the dust cap and inserting the plastic shims in the voice coil gap. of the cone = 4.31 We can make your speakers sound like new again! Just do a search for "speaker surround repair" and you'll see a bunch of hits. This tone will let you know if your cone is centered. Now separate the gasket from the steel frame gently using a razor knife. Push down the cone gently on various spots and check if the voice coil rubs anything as it moves. It's 100% effective. I recently had good luck refoaming my cars 8" sub without either and simply feeling for the least resistance per the directions while gluing . There are certain advantages to using foam for speaker surrounds. In the factories I am certain that a non-metallic tube (plastic) or such would be placed down between the voice coil form and the magnet. Shims For Centering the Voice Coils (if wanted) It is now time to remove the paper shims and check for the center. Free UPS Ground Shipping in the Mainland US on most Eminence Guitar Speakers and Eminence Pro Woofers! A O.D. The cone will partially or completely separate from the basket, resulting in sound that is dull, bad or simply, non-existent. Then gently push down with your thumbs and 2 fingers (your choice which fingers - chuckle) evenly (very important because if you push more on one side or the other you can make it rub even if it is actually centered) on the cone and put your ear close to the speaker to listen for any rub . Now, you can put your speakers back into their housing and secure them with the right screws. Sometimes the job feels good with the push technique. This was not very scientific, but there has been no problems since. Be patient, as this will take several rounds to remove completely. Have never shimmed a single one. USE SHIMS Rossi Audio 4.45K subscribers Subscribe 1.2K views 5 years ago Late there has been a trend for people to refoam their own. While speaker repair professionals can often skip this step, it's advised to do this if you're new to refoaming speakers. Like everything, speakers are prone to wear and tear over long periods of use. (2 surrounds per kit) The price of refoaming your speaker is usually less than a new replacement speaker. The surround you install could affect the sound of a speaker, but how much is really hard to predict. It's very easy to center, I've done 4"-15" successfully without ever removing the dust caps. For those who, on their own, do very few refoams, I always recommend shimming. Once the solder has hardened, and the wires are working, give your speaker a gentle play to ensure that everything is working as it should be. Now I'm refoaming one Allison: Four woofer. you are able to move the cone some without scrapping or rubbing , but only if you move it straight all sides evenly . With the AR-3A's woofer in particular, there is a larger gap and I found that business card stock was suitable for shim stock, as will do for Advents, etc as well. of the cone = 7.625 Audio speakers, guitar speakers and more! I have never shimmed, don't intend to. Discussion in 'Speakers' started by Zitro, Apr 5, 2014. If you have paper cones you need the WHITE GLUE. I have succesfully refoamed about 12 AR woofers (2x8", 2x10" and 8x12"), and I have never used shims. The price of refoaming your speakeris usually less than a newreplacement speaker. Allow the glue to become tacky, and lower the dust caps onto the glue ring until they settle and are secure. Easy to follow illustrated instructions. Continue until most of the foam has been removed, until you can't pick at it anymore. Now apply an even layer of glue to the areas around the cap and surround. Please do NOT ask us to send as a gift or to lower the declared value on the customs forms. Usually you'll get it right first time since the coil will naturally sit where's it's been for the last 20 or 30 years . D Inside diameter of the surroundC Roll starts / O.D. I have had success leaving the dust cap alone and using a 9V battery to apply a "signal" and center the driver. To get started, place your disposable towel down on top of your workstation. Dec 16, 2014. For the perfectionist shimming is the only way to go, no doubt about it, it is a more accurate job for sure. Disc Diameter (roll starts): 9.375, Angled attachment to cone of the surround = 9.5 >Sean Ryan, Tom Ryan, and the crew at Simply Speakers. I started refoaming woofers professionally some years ago and got into trouble early on. I've refoamed just two pair of speakers, but here . Dude - I bought a kit without shims, and tried refoaming for the first time. too bad the surrounds are completely gone? of the surround = 9.75 Use the tables below to determine the correct surrounds for your speakers. Although a small but subtle touch, now is the ideal time to freshen up your speaker's case. Foam edge deterioration is the most common problem with woofers andsome midranges. C O.D. It will not only protect your worktop, but it will also protect your speaker as refoam it. Disc Diameter (roll starts): 5.875, This kit fits on ESS AMT Models, Infinity and many more. Outside Diameter: 11.625 If your speaker has a gasket, now is the best time to remove it. of the surround = 6 Just for posterity, when I refoam I cut up a business card and use it for my shims. Some caps have no lip (most JBLs), but most have a lip which sits on the cone. The most important thing to remember is that the surrounds must overlap the speaker cone on the inside edge and the speaker basket on the outside edge. How To Connect Speakers To PC Without Amplifier. Delete. Use your rag to clean the housing inside and out, removing debris, dust, or scuff marks that may have accumulated over time. It can be very difficult to refoam a speaker without removing the dust cap and inserting the plastic shims. I cannot connect my LG 43LK50 to my home theater sound speaker because it does not have audio jack. The search function is not working. Note: Do not apply glue to the foam, as doing this will make the foam curl, making the entire repair process incredibly difficult. Chris Brown, Apr 6, 2014 #8 Conversely, replace a screen cap with a screen cap. Please help/advice. Speaker manufacturers use different surround materials, including foam, rubber, and treated cloth. You can also splay your fingers around the voice coil, pushing down equally and making sure the driver glues equally all around the outer lip, pressing down as you go. Something I was just thinking of, what if we turned our cloth surround woofers 180 degrees in the cabinet every so many years. Check for correct dimensions. If you do not use the plastic shims, the voice coil may be off center and it may lead to the voice coil rubbing. Our version of search is not compatible with the new server. Amazon.com: speaker refoam kit. Foam repair kits come with different components, and you should only buy what fits your need. D I.D. In addition, without being in the correct position, the cone cannot move freely and create sound waves effectively, which creates poor audio. There are kits with shims and glue on Ebay for $26 with free shipping. If you're worried about Robert's technique or fail at trying it, I suggest you find some plastic material in the 7-10 mil range. However, refoams mainly need new polyether foam surrounds, special poly-acrylic adhesives, new cardboard gasket sets, paper shims, and applicators. Perfect for any average do-it-yourselfer. (SOLVED). Depending on the material your speaker casing is made from, now is an ideal time to apply some wood polish to the wood and let it settle while you repair the speaker. Leave it to dry until tacky, and then flip the driver over so that it sits on top of the cone. Kits can be installed without removing the dust caps. 2 Dust Caps (if wanted) Once pierced, gently rotate the speaker and neatly cut the dust cap around the base until you make a full rotation. I then sold the new pair without opening the boxes. We do have a wide selection of replacement speakers to choose from. If your speaker surround wears out or tears and you do not have the white speaker glue, you can still use silicon to repair it. The foam edge (or surround) usually wears out after ten or twenty years. Midwest Speaker Repair can replace the surroundand make your speakers sound just like new! Just enough signal to centre it, and do not ramp up for about 24 hours after. Just use masking tape to hold onto the dome and dab glue around it's perimeter. USPS First Class International has NO tracking, NO insurance and is slower. By this point, you're well on your way to finishing up. I'd do it every time too. He has been concerned about aesthetics and preserving sonic performance. Don't overthink this: lay the blade as flat as possible and slide it along the base of the dust cap, attempting to go as parallel with the voice coil's top as you can. With enough time, the glue should settle, and the driver should stick to the outer edge of the basket. Do not attempt to pull, stretch, slide, or move it in any way. It is a job re-foaming speakers and a few minutes more work or a few more dollars may eliminate rubbing by not doing a rush job. Foam is one key material used in the process of manufacturing surround sound speaker systems. Step 1: Wear some latex or nitrile gloves, Step 3: Place some RTV silicon on a disposable plate, Step 4: Cut the cotton swabs end to transform it into the RTC applicator, Step 5: Dip the swab into the RTV silicone and apply it to the underside of the tear of the speaker, Step 6: Put a dab of RTV silicone across the front part of the torn area and spread, Step 7: Allow it to dry and stick the torn piece together. A O.D. You can leave the glue to dry and admire your hard work at this point. Or fastest delivery Apr 18 - 21 . Hello Select your address All. B Roll ends = 8.875 I have found all my speakers have self centered. Firstly ensure the speakers are powered appropriately. I've done a number of refoams just using my ears to check for rub. Installation average time is 30 minutes per speaker. Report Comment. 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