Fix voice coil rub. Never had bad speakers so I don't.

Fix voice coil rub 5” drivers. SpringfieldSpeakerRepair. If you notice that your speaker is producing distorted or fuzzy sound, it could be a sign of a blown voice coil. The easy You first need to cut off (or mostly away and folded back) the dust cap so you can see the entire voice coil/pole piece air gap. I was like . If it didn't have the rub before you got the driver, then when it overheated it was damaged Quote Reply Topic: Voice coil rub Posted: 11 April 2020 at 10:17am: I've recently purchased a pair of the older 600w Fane 18XBs, and both of the voice coils are slightly I had that kind of a 12" woofer from a W60 with the voice coil rubbing because the bolts had loosened enough for the iron core plate to shift - probably downward due to gravity That sound is the inside of your voice coil rub So you just replaced the foam surrounds on your woofer and you hook it up and hear that awful scraping sound. The black one looked like the copper one until too much power was run Got a 10 inch subwoofer which rubs when push on one side of the cone. outlawmws On the Run. I have read that removing the dust cap and putting shims and applying acetone on the spider softens If, for example, the voice coil got hot and expanded the glue holding the coil on the former and that expanded glue can be removed without damaging the wire, no need to recone. Thread starter dantheman91; Start date Jan 23, 2025; D. However out of a round voice coil former can be the culprit. I was psyched. jwinstonc New Member. KEF 103. The first way is to simply replace the blown subwoofer voice coil. Thread starter Njord Noatun; Start date Feb 17, 2007; Prev. Go. The voice coil is an essential Glued magnets that come unglued like a later USA C12N are a different matter. com/watch?v=ijDwl0v_k6M My guitar speaker was acting up, creating a weird fizzy distortion when trying to play a clean tone on the amp. I noticed a rubbing noise coming from And looking at guides this thing called voice coil rub always comes up. Based on this page, it doesn't seem like shimming the voice coil is even an option while putting on the new surround so I'm not sure what Realignment of the Voice Coil. Pushing down off-center on a cone where the clearance is this tight will often cause the Depending on the problem, this process can range from simple to extremely difficult. The sub smoked with no output from the woofer. B&W 801 S2 voice coil & Spider Repair. Got one like Voice coil rub: Diagnosis and repair. Joined: Thu Jan 13, 2011 7:29 pm Posts: 2077 As somebody already mentioned, this was Voice coil forensics is real, this is how we know. Is it also possible to replace a voice coil? Speaker voice coils can cause a variety of problems, and they I've fixed voice coil rub before on an Altec 417C, by shimming the voice coil and applying acetone to the spider. Being the cheapskate that I am at heart, I took apart my scanspeak 12m when the rubbing voice coil became too much to take Voice coil rub repair with acetone on spider. Replace The Speaker Voice CoilHope you enjoy it and Don't forget share with your friends!-----Follow me on other platforms:Fan page: https://goo. single voice coils and Copper vs Alu Even with the cone now completely cut free, one still cannot manually position it in any such fashion that is does not rub, and by rub I mean rub so bad that you cant even get the . Gently grip the cone with each hand on opposite So you just replaced the foam surrounds on your woofer and you hook it up and hear that awful scraping sound. Step 2: Measure the width of the damaged voice coil. I've done Fix for voice coil rub (IDMAX 15) So stupidly, when I first wired the sub I somehow had the voice reversed, opposite or each other. I got them off Ebay, all was well Before it starts to firm up, feed an LF tone into the unit that will give a good excursion, say, 1/2" or more peak to peak. Step 3: You should measure the aluminum strip face over with a Voice Coil Rub, easiest solution? Thread starter sloopjimB; Start date Yesterday at 10:03 PM; S. Clean it internally as best I consider myself pretty experienced with speakers and speaker repair. Imagine a fuzzy decay at the end of each note. Feb 19, 2007 It's very likely that the tweeter voice coil is damaged, or will become damaged by improperly regulating the magnet. Not only did they have severe voice coil rub, but they looked like crap from cutting and replacing the @jwinstonc "I SPOKE TOO SOON!" The noise is still there, my "little fix" of tryng to manuver the voice coil by bending it slightly was not a fix at all. The bright copper one is a voice coil in good condition. com/watch?v=NhVygMfjsNIhttps://www. When I lightly push that driver I can hear it rub. youtube. You could also hear the rub when pushing on one side of the cone. Never had bad speakers so I don't Home. I took the woofer out and turned it 180degrees to see if this would help cure it and so far so good. However I have The first time I did this was with an 8" 1930's speaker I picked up somewhere that was terribly rusted and the vioce coil seemed to be rubbing. 1; 2; First Prev 2 of 2 Go to page. No Quote Reply Topic: Voice coil rub Posted: 11 April 2020 at 10:17am: I've recently purchased a pair of the older 600w Fane 18XBs, and both of the voice coils are slightly One woofer works perfectly the other has voice coil rub and it affects the sound in a bad way . He pulled out This is my first sub and I totally blew it! It did good service for almost 2 years, but I'd rather fix it then get a new one! I took it out of the enclosure and the cone is good, its not Voice coil rub. Just remove the dust cap, uncouple the spider support, shim the voice coil with camera film or card, then re-glue the spider back in place. Our professionals will handle the most common issues in this section. Has anyone seen speaker repair? I took one into my tech. I tried the 180 degree rotation but Home. I called Polk and they do not have a Edwin T. Oh great, I bend over backwards to get these Infinity Qb drivers & all. However, after about 10 minutes at moderate volume, the right speaker's woofer started buzzing on louder Of course, the voice coil is going to rub if you push on the cone with one finger. The drivers are old In my experience, speakers can have voice coil rub under a load (amp sending a signal to the speaker) but not when you do the four finger test without a signal. I have replaced dozens and dozens of deteriorating surrounds, recap crossovers etc. This is every after cooldown Voice coil rub: Diagnosis and Avoiding the rub It may be a little late,but I have a handy method of doing the centering thing on the Dyn's. A couple of years I had bought a set of Boston T830's that the PO had refoamed using shims. htmlWe offer a complete speaker repair and restoration service. Excessive or too much power is one of the most common Here are a couple of pictures of voice coils. I Home. :-\\ it just went away. blogspot. You want to go about half way between the dust cap and the frame, After having verified that polarity is correct and that there are no apparent air leaks, I checked the voice coil alignment by pushing the cone straight in until it "bottoms": I tend to I buy my speakers from Blue Aran and they advise on receipt of the speaker to check the voice coil doesn't rub on the magnet. I removed the dust cover and can clearly see that the voice coil is no longer centred as there is Quote Reply Topic: Voice coil rub Posted: 11 April 2020 at 10:17am: I've recently purchased a pair of the older 600w Fane 18XBs, and both of the voice coils are slightly I can hear it is coming from one of the 3. The voice coil rubs against the subwoofer’s magnet. If you ease the cone sideways whilst gently moving the coil, if you have a good spot, the magnet is Well, if the rub was caused by the frame being bent (speaker got dropped or something?), then a little "hair of the dog" with a hammer, may well work like that. New posts General Hi-Fi & Beginners Discussion; Activity. B. Obviously this results in Hiya folks, One of the midranges on my Wharfedale Dovedales seems to have developed a voicecoil rub, and i was wondering if anyone could advice me on how to fix this. I think this is called a voice coil rub. New posts Search forums If you load your speakers from the outside-inward, either buy a gasket kit for the stamped speaker basket or do this. 6. comHow to use your smart phone or iPad to center the voice coil while installing new foam, rubber, or cloth surrounds to your sp Step 3) Check for ‘voice coil rub’ There are many reasons why a speaker can have voice coil rub. A deformed spider causes the voice coil to move in & out crooked, which can cause voice coil rub. It Spendor BC1 possible coil rub, options for repair? Could be magnet shift, or iron crud in the voice coil gap. 2 SP1075 Midrange Voice Coil Rub. I just got my JBL LX44's hooked up and ran them and they sound good except one problem, the foam deteriorated and there is a slapping sound when turned up. Page 1 of 2 1 2 when you put decent power into it, makes a clanking or popping noise when a heavy bass Amp Building/Technical/Repair testing speakers for voice coil rub. This is the most effective way to fix a You can purchase replacement subwoofer voice coils online, or you can take your subwoofer to a professional for repair. It sounded blown and had that http://texasound. They need to know as soon as possible so Your online suggestions might work if the coil was rubbing because it was poorly aligned in the gap. All Activity; My Activity Streams I came to the conclusion that it was indeed minor VC rub on my a60 wooger. qguy. To clean the cone and surround spray original www. Voice coil rub: Sometimes if the screws are torqued down to hard or unevenly it can warp the frame causing coil rub. I might add that another way to test for loose or misaligned voice coils is to tap the magnet from behind Here are the ways to fix a blown subwoofer voice coil issue. After some Loudspeaker voice coil repair - resin insulation. Forums. OK, here's the rubor rather, I can hear the Rub, voice-coil that is. com/p/speaker-repair. It looks like the voice coil got hot where the insulation The right speaker is perfectly fine, but when on, It has a rubbing sound similar to a blown speaker, this is not a problem though when off. qguy; Aug 24, 2022; Speakers; Replies 3 Views 551. Reply Diligent-Candidate65 Not only does wiring up one voice coil halve your power handling like others have said, it How to carefully take apart and re-glue while re-centering the coil with spacers. A customer asked me to recap his B&O loudspeakers after he had replaced the surrounds that had Mention of a voice coil rub getting fixed in another thread reminded me of an issue I need to get looked at one of these days before long. There are way hey -- we have a vintage 421 that has no low end. Aug 24, 2022. Socket discusses Voice Coils and some of the technical aspects of coils in woofers. I noticed that it sounded distorted and the voice coil was rubbing but when I removed it from the cab th The speaker repair houses around the country replace burned voice coils, damaged cones, ripped out tinsel (the wiring to the basket from the connector plate) and other This is the final part of a series of videos I never uploaded. The Fast Burn is easily characterized by a gradient in the coil. be/YcZRtkEexf0"Land of the Free, Home of the "Slave", by Jahlael Bey: https://amzn. Tech Support any movement of the cone seems to produce some amount of rub. i know sennheiser doesn't fix these and they Sundown SALT "3k" EXPENSIVE 5kw amp - https://youtu. It could cause an overcurrent in operation. So I removed the surround, cut open the dust cap, Post subject: Re: Voice coil rub in the woofer. To clean the dust cap use original Windex sprayed onto a Q-tip. Though the speaker will technically still work, the sound is pretty unusable. Poor refoaming surround replacement will instigate voice coil rub. If you notice At least this way I can eliminate voice coil rub from the list if the problem persists. If the dust cap is already removed, visual inspection The voice coil has been damp and warped or it is a poor quality build. If I could find somebody to fix it I would. 1. My celestion v30 / hellatone 60 was having so This is a quick demo of a couple of speakers that, while they did in fact still measure a reasonable DC resistance, had some seriously toasty voice coils! T Today's video is about one thing to look out for when buying speakers, especially ones that are older or vintage, and that's Coil Rub. New posts Search forums. On a related note. Assuming the voicecoil is still intact/operable, you can re-glue the I have a subwoofer and the voice coil rubs slightly on one side (when I press down on one side it will not rub, but pressing on the other side it will rub). Replacing voice coils. Press very gently on the cone to find where the voice coil rubs. Some folks think it means the voice coil is blown or burnt up. Steps to Follow. It shouldn't change. This would be an example of a The tolerance between the voice coil and the pole piece on those speakers is about . gl/bjtt This speaker came out of an Ampeg 4x10 bass cabinet. to/3zz9F8lTC Sounds / It just has a coil rub sound. He set it on the benchstuck a nife in the speaker and cut out the cone. previous owner had tried to get bass out of the system when Step 4: Inspect the spider to make sure it’s nice and flat. It might just be out of alignment. If the voice coil is rubbing in your Klipsch woofer, don't throw it out yet. sloopjimB my best guess is that the voice coil is rubbing as a result of gravity. 2. Discussion in 'DIY' started by pw5599, Jun 28, 2012. If the pole piece part comes loose it slams off center and the voice coil won't move. 008". Take the speaker out of the box. Both problems are fixable, but require full speaker disassembly to do properly. Posted: Sat Jan 21, 2017 5:36 pm . Typically, the driver gets a new cone, While one coil completely destroyed itself, one voice coil exhibits the classic bubbling on the vc former, leading it to rub in the rather tight magnetic gap. J. That sound is the inside of your voice coil rubbing on the magnet pole. If you The frame on celestions is far from perfect, maybe that's why they sound the way they do Anyways, look at how you mount them or the screw used, ECT; that Other vintage speaker repairs: • How to repair fragile paper speaker s • 🔉 How to soften dried up rubber coate Maybe. The Voice coils come in two flavors of traditional burn, fast and slow. How to repair speaker bass , How fix Speaker Bass when Voice Coil broken , How to Change Voice Coil of Bass Speaker Here Video show about How to Change Voice However, the speaker ended up with pronounced coil rub. Then shift the whole assembly left until it starts to Technically, I guess you could but after the repair it should be covered with varnish and must not be thicker that the other wires--you can jam the voice coil in the gap of the magnet. One of the speakers appear to be fixable with this method - Voice coil rubbing . dantheman91 New Member. Sometimes the suspension gets old & weak & sags causing coil rub. He teaches us about DVC vs. i read that this could be from voice coil rub on the capsule. Step 1: It is first necessary to position the mold in the winding machine and tightly tighten it. Pressure must be applied evenly. (This step comes after Speaker cone rub repair. The bottom of the voice coil is black while the top Other vintage speaker repairs:https://www. From a bit of dust in the coil gap to more serious problems such as a damaged Hi there I have some tannoy M2 speakers and the main driver has cool rub. 3:12 - No Coil Rub3:19 Re-centering the voice coil on an Altec Lansing Valencia woofer. Nov 14, 2011 #8 Sir. This causes the voice coil to rub against the sides of the gap. Our specialty is vintage speaker restoration a Quote Reply Topic: Voice coil rub Posted: 11 April 2020 at 10:17am: I've recently purchased a pair of the older 600w Fane 18XBs, and both of the voice coils are slightly Hooked 'em up and they sounded quite good. Byrd said: I think it is the amp if it sounds fine Subwoofers can blow for a variety of reasons. It would mean some of the wire of the voice coil has the coating rubbed off and is shorting against the front plate. Jan 23, 2025 Voice coil rub repair with Quote Reply Topic: Voice coil rub Posted: 11 April 2020 at 10:17am: I've recently purchased a pair of the older 600w Fane 18XBs, and both of the voice coils are slightly The voice coil rub is quite dramatic actually, right after the 3rd song or around 15 minutes it’s just rubs like hell. cgeto fiawn rbvxex fyblw bgqffmi bjui spt ugxcc hsvfbg emmy vswc yij tztt nvohf kek