fix blown speaker This is a topic that many people are looking for. bluevelvetrestaurant.com is a channel providing useful information about learning, life, digital marketing and online courses …. it will help you have an overview and solid multi-faceted knowledge . Today, bluevelvetrestaurant.com would like to introduce to you How To Repair A Blown Speaker. Following along are instructions in the video below:
” s up y all. If y all like car audio videos don t forget to to like and subscribe down below for more car audio videos in the future also the link in the description. So you can order anything you see here online. So you don t desert all over the place for it all right so we got a image dynamic ctx 65.
Cs. Right here. And this is from a component. Speaker set.
And this is the mid range driver. And you can see we got a little problem well yeah. It s not supposed to do that is it so the surround came unglued and we got some stuff here and i m gonna show you all how to fix this it s pretty easy you know this has a rubber surround right here so if you have a speaker with a paper surround it s gonna be a little bit more challenging but this rubber surround sits right down in the basket really well so it centers the coil really well in there. But if you have a paper surround.
It s gonna be a little bit more challenging to get the coil centered alright. So this method will work for mid range drivers subwoofers rubber surrounds paper surrounds foam surrounds you know you can just apply what i m going to show you here to whatever kind of speaker. You have and just to get it to work right just follow these steps okay so first off. We got some glue here now.
This is what everybody recommended. It s called e6000 and you can see industrial strength adhesive. It s like goop you know that goop adhesive is basically the same exact thing. But you know it doesn t say goop and it s probably a little bit stronger.
So we re gonna go with that because a lot of people online recommended using that and now we have some clothes pins right here which i m gonna show you what those are for in a minute and of course. We have our speaker. So these clothes pins are going to be once we apply our glue around here. We re going to use clothes pins to make sure that it s glued down to the basket.
Well because you want to make sure that that glue you know is right where you want it and make sure that the surround is right where you want it so stays in place. So we re going to test this thing in the truck and i m gonna show you how to do that and then we re going to come back here and lay a bead on it and clamp her up alright. So i ll give you a close up real quick. So you can see the thing came unglued.
And there wasn t much glue put in there to begin with but we re gonna fix that real quick so the gains were set perfectly with an oscilloscope you know it doesn t smell bad you can smell the voice coils to see if they re burnt up that s a good tip to smell them and see if it smells bad. Then you know you probably smoked the speaker. Too you can check the coil. With the multimeter to make sure that the coils still good and this is a 4 ohm voice.
Coil and you can see it s. Right at 41. Now you want to take in consideration that these leads have a little bit of resistance and i m so point three resistance..
But it s right around 400 ohms. So we know the voice coil is still good and it still plays good so at high volumes. This thing would distort and it was sound scratchy and that s because this was coming out and the voice coil was rubbing in the magnet. So we re gonna have to get this thing perfectly centered in that magnet to make sure that the voice coil.
When it slides up and down. Doesn t distort and sound scratchy and mess up the speaker and mess up your sound. So let s head out to the truck and i m gonna show y all. How to center this voice colquitt and easy and then we re gonna come back up here and glue this thing down all right now we re in the back of the truck.
And what we re gonna do is just hook. Our speaker. Up to our speaker amp. A for channel 2.
Channel amp. 5. Channel amp. Whatever you using the power.
Your speaker. And we re just gonna hook. It up with some alligator clamps like that make sure these don t touch you don t have these alligator clamps. Just make sure you know that they re on there pretty secure.
So they don t touch. And we re gonna use our phone to download a tone generator app. So here s an old phone that i use to test stuff. And you can see this thing generates tones.
So we re gonna want to use a low frequency tone like 40 hertz and this is the gain right here. So you don t want to play it too loud because you ll mess up your speaker. But this is just so we can test it to see if the cone is centered right. Where we want it to be so make sure your head unit isn t turned up too loud make sure the amp games aren t too loud you know you want it down pretty low.
Because you don t want to damage stuff because after all we re running this without a crossover. So we re gonna turn this thing on and you re not going to be able to hear it very well probably not at all now. This thing is vai. It s vibrating and y all.
Can t hear it or see it because it s barely moving. But you can see i can t really shift this one cuz it has a rubber surround. But if you have a paper surround oh there goes hear it see you hear hear that that s what you don t want so you want this thing perfectly centered..
So it doesn t make any noise at all and like i said before this rubber surround right here does a pretty good job keeping it centered so we don t have to take the dust cap out and use shims you know that s a real pain. So you can see right here that it s not making any sound at all and it s just a low vibration. It s moving in and out the coil is moving in and out of the magnet perfectly. So we know this is right where we want it and i ve played with this a bunch of times with this one.
All i m gonna have to do is you know glue it down right as it sits because you know you can t shift it at all. But if you have a paper one you really want to make sure that you get it centered you can see that this goes right to the edge. So it s basically perfectly centered from the fact three. But if you have a paper one you re going to want to make sure and put your bead of glue down on here and shift it around because there s gonna be a little bit of gap between that paper and the metal and you re gonna want to shift it around until you get it perfect to where it s not making any sound.
But this one s really easy. It s not like that most you guys are probably going to have one of the one like that with the paper surround so you re gonna want to make sure you get it absolutely perfectly centered don t skimp on this you don t want to glue it back up with permanent adhesive just to find out that you know it sounds like crap because it will and it ll probably damage it so. If you have one that s not like this. What you re going to do is put a bead of glue around here and shift it to right where you want it then we re going to take our clothes pins from earlier and we re gonna give that thing perfectly centered hear it make a noise.
We re going to get that thing perfectly centered and we re going to put clothes pins with the glue up under there and you know put them all the way around maybe fill the whole thing with them. If you really want to get crazy with it another one here. You know just keep doing that all the way around once you have your bead of glue. Under here now we re going to play some other frequencies tunes on here to see what it sounds like and make sure you want to keep it really quiet.
Because you don t want to damage your speaker. So it sounds really good to me you want to you can play a song on it really quiet to see if it sounds alright. But like i said you don t want much power going to it right now. And you especially don t want much power going to it until after the glue dries.
So this thing. I ve played with it and played with it and it sounds perfect how it is so i m just gonna glue it how it is but with those paper surrounds you really want to make sure and get that thing perfectly in there and put the glue under it shift it around and then just clamp. It a little bit here a little bit there a little bit here and get that thing perfect to where it sounds like you know nothing. If you re playing a low frequency tone and just do like that and clamp.
It all the way around that way you know it s good so i m gonna put a bead of glue on this thing and come back here and check it again alright. So now we re back in the shop on the bench. And we re going to get this thing glued up. So let s open this up all right now.
We re gonna have to make sure we don t make a mess. We don t want too much on here and i m sure it s gonna smell horrible oh yeah it smells pretty good but we re gonna take this you can see it s got a nice little tip on it see the tip on it right there. It s gonna make it perfect for getting down in there so we re gonna run us a bead. We re gonna lift this thing up and you can use some stuff to put up under here to space it out.
But we re gonna run a nice bead a healthy bead around here and not making sure not to touch anything. But the rubber part so i m gonna get it you know maybe lay it like that zigzag all the way around or i might just go you know one loop on the outer rim and then one loop on the inner rim. But we re gonna make sure this thing is nice and glued up because i don t want this happening again..
But we don t want it dripping everywhere making a huge mess and getting on we don t want it duh. We just want to make sure that it s you know glued well more than it was from the factory. Because that didn t last. Very long did it okay so we re gonna space this thing up with some little pieces of wood and then we re gonna come back and check it in the truck after we get it glued.
So our glue is here if you really want to get crazy with it you can get some rubbing alcohol and get in here and clean. All this all glue off or some acetone and get in here and clean. All this old glue off and then apply your bead all right so i got some acetone here and a little q. Tip and i m trying to scrub this thing down you know it s not working too well try to get that old adhesive off of here.
Now you want to make sure you don t mess up your speaker at all don t bend it too much. But i m just trying to get you know a nice clean surface around here. Where i can get some glue to stick. So we re just gonna keep working around here.
And you know getting rid of some of this old adhesive so we get a really really really really really good seal. Because i ain t doing this again. And i know y all. Don t want to either so.
Bear. With me. And i ll get back to you on once i get a nice clean strip going around here. Where there s no old adhesive all right so i got as much of the old adhesive off as i could you know it took some scraping.
It took a little bit of rubbing make sure you don t stick a hole in your speaker. When you re doing that if you re using something sharp you re not gonna get it all off. But i mean you know get as much of it off as you can and i use some rubbing alcohol and acetone you know get up in there and clean it up get as much out as you can and you know i have a good surface to glue to now so don t try to get it perfect. Because you won t be able to just do as best you can and now with this rubber cone.
I have these clothes pins under it so i can get in there and lay a bead down. But if you have a paper cone of course you re probably gonna be able to do that so you re gonna have to get some wooden dowels or something and stick them up under here too to lift it up and hold it up. But i m just gonna do like this for now. Now.
I m gonna run a bead up under here and i m not gonna go crazy with it like i said before but i m not doing this again so i want to put a nice heavy bead on there and then i m gonna push it back down and run out to the truck real quick and check it to make sure that it s glued and the coil is still not rubbing on the magnet. So here let s glue this thing up when you get that rubbing alcohol on there you re gonna want to make sure to you know get all the oils and stuff off of there. So it sticks good. But let s let s see how this goes man that smells good.
It s not exactly gooey. But smells like a mix between rubber cement and so yeah. We re just gonna keep going running this beat around here..
I m not gonna bore. Y all. I ll be back here in a second once we get this beat all the way around here all right so i got this thing glued up and i m kind of running fast here. Because i got to go run out to the truck and make sure it s where it needs to be but i m gonna pull these things out and stick it down and i ll check in with y all in a second here to see where the voice coil seated.
But yeah try not to make a mess. I mean you re gonna make a mess. So do the best you can all right y all. We re back in the truck.
Now and you can see i got this thing tested again with a couple different test tones. And it sounds perfect to me. I mean. There s no distortion at all i cranked it up pretty good bit to see if there was any distortion and i didn t hear anything like the voice go scraping or anything so it sounds pretty perfect to me.
It looks pretty good to me. So just make sure you put all your clothes pins on there. And make sure you put enough of them so that you get good clamping force. All the way around so that it it hears really well but we re gonna take this thing back to the bench and clean up the excess glue all right y all.
There you go. She s done. It wasn t too bad i mean if you can tolerate the glue smell. You know.
It s not gonna take you too long to do it you just have to make sure that that voice coil is perfectly centered in the magnet cuz. You don t want any scratching noises. It ll just ruin your sound quality. So it looks a little funny it kind of looks like a wooden sun.
But you know i m gonna leave this thing clamped overnight maybe two days. The glue says it takes 48 to 72 hours to fully cure so that s what i m gonna leave it for i mean you can put it back in the car or truck. And you know leave the volume down just don t crank it up for a couple days until it fully cures. But i m going to take this safe bet and leave this thing sitting out on the bench for like two days because i want to make sure it s absolutely perfect so i can pound on it without having any problems.
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