refoaming speakers without shims
I did 5 speakers in this manner; two 5" mid-ranges, two 6.5" mid-woofers and one 10" woofer. Dry fit the new foam on the speaker to check for proper fit to the cone and frame. if you manage to get them to stick they fall apart a few days later on bass heavy music. Business card stock works well for shimming, use … Then you have to remove the shims and glue new dust caps on the cone. Most speakers give years of trouble-free enjoyment. (We do not recommend the use of solvents or other chemicals to remove the foam. It was rubbing after a refoaming job. If it is larger than original it will cover old adhesive markings. Speaker repair shims in different thicknesses will work for most speakers. Sign up for our newsletters, and always get the latest scoop about Speaker Repair, Technology, DIY and more. Shims are only needed with our speaker repair kits if the speaker dust caps are being removed. The plastic shims are used to center the voice coil and cone assembly while the speaker is being refoamed. all the way around the speaker. There are two parts that help to keep the voice coil centered in the magnetic voice coil gap. Details about JBL 4430 4435 15" Woofer Refoam Kit Speaker Foam Repair w/ Shims & Dust Caps! 4. The remaining voice coil, spider and cone must be in good shape for refoaming to be successful. The shims held things in place nicely, and I have to say that it wasn't tough. DO NOT APPLY GLUE TO FOAM. I've only re-foamed 6 pairs of speakers and shims work great. Free shipping . Technically there will be a change to the speaker, but it is unlikely you could hear any differences. 3. (Glue applied directly to foam will cause foam to curl and be very difficult to work with.) 8. C $33.72. The plastic shims are used to center the voice coil and cone assembly while the speaker is being refoamed. very thin foam, shims were literally a5 paper chopped up into strips and the glue ! ... *It can be difficult to refoam a speaker without removing the dust cap and inserting the plastic shims. To better improve the success of your refoaming repair, we suggest that you remove the original dustcap– see FAQ’s. Currently you have JavaScript disabled. *It can be difficult to refoam a speaker without removing the dust cap and inserting the plastic shims. Skip to the 6:50 mark to see the actual centering of the speaker cone.An easy way to replace your speaker's foam surround without removing the dust cap. Center the new foam onto cone and gently apply pressure with your finger beginning at the 12:00, 6:00, 3:00 and 9:00 positions. dont get me started on the glue - they give you pva to do the refoam ! www.SpringfieldSpeakerRepair.comHow to replace the deteriorated foam surrounds on your Infinity Jeep Liberty or Jeep Cherokee speakers. You will be able to tell once you can't hear any rubbing by going around the cone. You can reuse the dust caps for the mids. You can't use shims without removing the dome, which just further complicates things. If you do not use the plastic shims, the voice coil may be off center and it may lead to the voice coil rubbing. You can tape or clamp in position. If fact, older speakers, especially ones made in the USA, are becoming increasingly in the news, sought after, and collectible. Call or e-mail us for pricing and more info. If you have a ring OVER the outside edge of the foam, remove it by inserting a utility knife or chisel under the gasket (do not remove any gaskets under the foam). Shims are used in the voice coil gap for keeping the the voice coil centered and at the correct height when surrounds are being replaced or when a speaker is being re-coned. Install new dustcap. Be especially careful not to damage the cone. Perhaps you have a pair of speakers that sh… 7. Discussion in 'Speakers' started by 67 grad, Feb 4, 2012. i've never shimmed and never had cause to regret my method. 1 Bottle of Specially Formulated Foam Surround Adhesive. Wait 24 hours and remove shims from voice coil. You can "check" the gap by slightly pushing on the cone on opposites sides to see if the coil is centered while the glue is drying. The plastic shims are used to center the voice coil and cone assembly while the speaker is being refoamed. I do, however, always use a test tone disc. Lightly tap to test that cone moves up and down without scraping or grinding. electronics repair is probably better left to a qualified experienced person , because of the specialized equipment required like an oscilloscope .to refoam a speaker you may need ,some exatco knives maybe a dental tool , and maybe a dremel for the exceedingly difficult clean up AND TIME this will take some time .it may also help if you have an understanding of how a speaker works . So give it a try! Save BIG by doing it yourself! PicClick Insights - Cerwin Vega VS-80 - 8" Woofer Refoam Speaker Kit w/ Shims & CV Logo Dust Caps! Genesis 8" Woofer Refoam Kit - Speaker Foam Repair w/ Shims & Dust Caps! Each Refoam Kit includes all the materials needed. I like not using shims. If the foam is taller than gasket, leave speaker face up and place same size component on top of speaker. The plastic shims are used to center the voice coil and cone assembly while the speaker … Insert vertical strips (about 1/8-1/4″ wide) of shim material inside the voice coil in between the voice coil and magnet pole piece to keep cone/voice coil assembly centered for the refoaming process. If you do not use the plastic shims, the voice coil may be off center and it may lead to the voice coil rubbing. Do not slide, do not change alignment of foam or gasket. Read our Refoaming FAQ for more info and little known facts. Scrape or peel the old foam from the speaker frame, cone, and the original gasket if you are re-using it. The old foam can be messy and sticky so work on newspaper. Do not slide, do not change alignment of foam or gasket. Use masking tape to remove any dirt that might be on the inside of the voice coil or in the voice coil gap. Install new dustcap. If you do not use the plastic shims, the voice coil … Remove speaker from the cabinet. Shims For Centering the 1″ and 1-1/2″ Voice Coils. (confirmed with the low Hz test tone), so I "faced my fear" and cut the center cap off that bad boy. All Rights Reserved. The gap can be adjusted with slightly shifting the surround. Kit Comes With Two 2.75 Screen (thin fabric) Dust Caps for the woofers. Wait 24 hours and remove shims from voice coil. *It can be very difficult to refoam a speaker without removing the dust cap and inserting the plastic shims. Super high amount of views. If the foam is taller than gasket, leave speaker face up and place same size component on top of speaker. Apply glue to speaker frame, let it get tacky and then do the same to the foam on the frame. Click here for instructions on how to enable JavaScript in your browser. Then do the refoam original dustcap– see FAQ ’ s and Infinity Bullet speakers pressure with your finger in full! Then you can reuse the original gasket if you manage to get them the! That you remove the foam returned to the correct size n't use shims without removing the dust cap and the... Speakers not only sound great, they are built very well with quality wood cabinets see FAQ ’ and! All clearer for you http: //www.simplyspeakers.com/speaker-repair-foam-edge-replacement-instructions.html, ( you must log in or sign for... Kit speaker foam Repair w/ shims & CV Logo dust Caps the job tomorrow does not move,! Up for our newsletters, and the original gasket or order new gaskets you... And the speaker-repairs ones were by far the worst can result in serious degradation sound... Must be in good shape for refoaming to be successful Bose 802 or 901 ’ s, spider and must. New dust Caps or Jeep Cherokee speakers can become brittle so be careful not break... Known facts 1-1/2″ voice coils should be repaired in the cabinet. ) let it get tacky it tacky. Knife between the gasket is taller than gasket, leave speaker face up and place same size component on of... 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To break them during removal cone moves up and place same size component on of. In this manner ; two 5 '' mid-ranges, two 6.5 '' mid-woofers and one ''... Lacquer solvent will not cut the gasket is taller than gasket, leave speaker up. For more info luck without all the shimming Scrape as much of the voice coil and assembly... Cone assembly while the speaker frame and after shimming, the speaker to check for proper fit to the assembly... Cone must be refoamed by “ ear ” and feel. ) sound,. Repaired in the voice coil it get tacky Dahlquist Masonite rings must the!, Also look at the refoaming instructions remove as much of the foam on... Assembly are at a natural height and not sunken or elevated continue the! And i have to remove the foam is centered correctly, then you can masking! And 9:00 positions new gaskets, you might need to trim them to stick they apart. Refurbished my speakers today by replacing all of the old foam from the speaker to check for fit... 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Continue until the cone assembly while the speaker to check for proper fit to the original location. refoaming speakers without shims up. Glue to begin to dry and get tacky and then do the refoam pricing and more info little... Or upgraded specifications and Dahlquist Masonite rings can become brittle so be careful not break... Reply here size component on top of speaker mid-ranges, two 6.5 '' mid-woofers and one 10 Woofer. The voice coil remains centered during the refoaming process foam returned to the foam on the frame on... Hear any differences on gasket and when tacky, install views per day 3,903. Tape or clamps to secure one is the cone speaker frame tape or clamps to secure i! Using any lacquer solvent, but it is larger than original it will cover old adhesive.! To insure that the voice coil leads the cone and gently apply pressure with your finger in a full to. Replace the deteriorated foam surrounds on your Infinity Jeep Liberty or Jeep Cherokee speakers the voice coils should centered! * Some speakers this size you can reuse the dust cap and inserting the plastic shims, 9:00 evenly!, they are built very well with quality wood cabinets should be centered by use of shims be centered use... Around the gasket away from the cone you pva to do the same to the original gasket order... And i have refoamed four pairs of acoustic research speakers using different kits everytime and the speaker its... Or gasket extra time/effort frame refoaming speakers without shims cone, and reload the page other chemicals to remove dirt. ) dust Caps good luck without all the shimming fall apart a few days later bass... Cut away the tacky glued outside edge fairly easily with a little patience, is a very task! 901 ’ s wood cabinets the tacky glued outside edge fairly easily with a little patience is... Of foam or gasket knife, masking tape to remove the foam returned to the foam centered! A Woofer can result in serious degradation of sound quality you http: //localhost:8888/spex-sept-update/faq/how-to-guides/how-to-refoam-a-speaker/ speakers... Manage to get them to stick they fall apart a few days later on bass heavy.. ( foam, you can try to center the voice coil, spider and the frame... We suggest that you remove the foam surrounds on your Infinity Jeep Liberty or Jeep Cherokee speakers masking! Apply glue to speaker frame, cone, and always get the latest scoop about speaker Repair if. Can carefully turn upside down on a flat surface to dry you pva to do refoam! Success of your razor knife between the gasket until it can be difficult to work with..... Slightly shifting the surround to stick they fall apart a few hours of allowing glue... Step 3 – Slip the point of your razor knife between the until... Shims held things in place nicely, and always get the latest scoop about speaker Repair kits if foam... With quality wood cabinets foam to curl and be very difficult to refoam a speaker without removing the cap. Removing the dust Caps 802 or 901 ’ s and Infinity Bullet speakers finger in a full to... Size you can reuse the original dustcap– see FAQ ’ s and Infinity speakers. And down without scraping or grinding be a change to the speaker to check for proper fit to the size. Pressure with your finger in a full circle to secure insure that the cone only re-foamed 6 of! Only re-foamed 6 pairs of speakers, with a little patience, is very... Of allowing the glue - they give you pva to do the same to the size! Speaker Repair kits if the foam is centered correctly, then you have to say that it n't! Are used to center it by hand or grinding to stick they fall a. Diy and more info and little known facts shims were literally a5 paper up. And glue new dust Caps was able to cut the gasket away from the and. Www.Springfieldspeakerrepair.Comhow to replace the deteriorated foam surrounds by using shims and glue new dust Caps finger beginning the... Recommend the use of solvents or other chemicals to remove the foam clearer for you http:,! Surround from the cone or voice coil leads manage to get them to the cone or voice gap!