Repairing Guides

how to repair subwoofer cone

by Jadon Osinski Published 2 years ago Updated 1 year ago
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  1. Remove the damaged subwoofer from the car and clean the cone. ...
  2. Mix the glue and apply a thin layer of it on the top side of the cracked cone. ...
  3. Make patches from the carton box for aluminum and plastic cones or a thin elastic foam for fixing a cracked plastic cone. ...
  4. Using the paintbrush, apply enough glue on the patch and cone, then place the patch on the cracked area. ...
  5. Turn the subwoofer on the other side and repeat the same process. If you have used tape, move it before apply glue and patch on the cracked area. ...
  6. Allow the subwoofer to dry for several hours or overnight in a well-ventilated area and put it back to the car.

Part of a video titled Repair Blown Subwoofer!!! (Spider Separated From Cone)
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Okay so once you have a sufficient amount of epoxy in there go ahead and push down on your cone likeMoreOkay so once you have a sufficient amount of epoxy in there go ahead and push down on your cone like this to get it to seat down in there real. Good.

Full Answer

How to remove subwoofer surround and cone without damage?

  • a screw-driver
  • a soldering iron
  • an air compressor
  • and a multimeter (or tester)

How do you fix a broken subwoofer cone?

Once you’ve reached this step, follow these instructions:

  • Disassemble the speaker by separating the voice coil and the speaker cone from the rest of the subwoofer. This needs to be done with care. ...
  • If you know the problem is with the voice coil, you need to buy a new voice coil. ...
  • Once this is complete, you need to connect the new wires with their old sockets. ...

How to fix a blown subwoofer like a pro?

Steps to fix a blown subwoofer: A complete guide

  • Step-1: Check the voice coil. Before you get started, check each and every part of the subwoofer really carefully. ...
  • Step-2: Check the speaker cone. ...
  • Step-3: Detach the speakers. ...
  • Step-4: Separate the voice coil and speaker cone. ...
  • Step-5: Fix the voice coil: It’s fixing time! ...
  • Step-6: Fix the speaker frame. ...
  • Step-7: Reassemble and fix other components. ...

How to fix a hole in a subwoofer?

How to repair a puncture hole in a speaker?

  • shooto. so I punctured one of my speakers with a screwdriver...clean hole about a 1/4" in diameter, mostly in the doped edge of the cone (a tiny bit in the ...
  • HoboMan. This happened to me last year and people here recommended using RTV Gasket Sealer. ...
  • Darth Tater. ...
  • pbradt. ...
  • Bob Hawkins. ...
  • kelly dell
  • Fuchsaudio. ...
  • vrdyer. ...
  • bluzdoctor. ...
  • ddeand. ...

More items...

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How do you fix a hole in a sub cone?

1:235:18How to Fix Hole in SubWoofer - Kicker SUB - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd basically what they said was just to grab a cotton swab cut the cotton part off and then stickMoreAnd basically what they said was just to grab a cotton swab cut the cotton part off and then stick the cotton part of the edge the end of the cotton that you cut off in there.

How do you fix speaker cone damage?

0:072:05Repairing a Speaker Cone - YouTubeYouTubeStart of suggested clipEnd of suggested clipIt with with about one one to one ratio of water and so I'm just gonna mix. This out and then usingMoreIt with with about one one to one ratio of water and so I'm just gonna mix. This out and then using a paint brush just kind of repair it with the glue. And then let it sit to cure.

Can you fix a broken subwoofer?

Can you fix a blown subwoofer? Yes, you can fix a blown subwoofer especially when it is partially blown sub damaged cone. However, a damaged voice coil will be difficult to replace. Depending on the extent of the problem, the best solution is to purchase a new subwoofer.

Can you glue speaker cone?

use flexible glue - such as rubbur or silicone. Hard glue such as cyanoacrilates(superglue) will crack or the cone/surround at the edge of the glue will fail...

Do dented speaker cone affect sound?

The dent doesn't actually affect the speaker's performance but rather it becomes eyesore, dents make speakers look ugly.

How do you make a homemade speaker cone?

1:0717:26Home Made Speaker Driver - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd it sounds louder. So I'll glue the coil to a membrane or a cone now the voice coil and the coneMoreAnd it sounds louder. So I'll glue the coil to a membrane or a cone now the voice coil and the cone will vibrate together and the sound will be much louder. But this was a prototype.

How do you fix a cone?

0:392:08CNET How To - Fix a dented speaker cone - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou take a q-tip chop. Off the top of it Midway. So that it's nice and flat then apply a few dabs ofMoreYou take a q-tip chop. Off the top of it Midway. So that it's nice and flat then apply a few dabs of super glue to the tip. Let it soak in for a few seconds. And hold it on the dent.

Is it worth repairing a subwoofer?

A: The short answer to your question is no, the repair is likely not worth it. The price/performance ratio of subwoofers has improved considerably in the last decade, so finding a subwoofer that matches or beats the AS 20's specifications—8" driver, 60 watts RMS, 33 Hz to 140 Hz frequency response—is not too tough.

Will a blown sub still make noise?

The sound that you are getting from your subwoofer is a great indicator in the amount of damage that has been done. The major sounds that you'll hear during a fully blown or partially blown subwoofer are: No sound at all – This means that your subwoofer has likely been completely blown.

Can you glue a subwoofer cone?

2:426:37Repairing a Speaker Cone Using Hot Glue - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd just kind of press around the area or just hold the area firm. So that when we press down withMoreAnd just kind of press around the area or just hold the area firm. So that when we press down with the glue gun on this side. It will actually press the two pieces.

Which glue is best for speaker repair?

Permabond 737 is a toughened cyanoacrylate adhesive that is ideal for use in applications regarding the speaker cone, such as surround to cone, cone to spider, and dust cap to cone parts of the speaker.

What glue is best for speakers?

2:504:41What speaker glue to use in repairing speakers? - YouTubeYouTubeStart of suggested clipEnd of suggested clipNumber Emma 303 five specifically formulated for attaching surrounds to paper poly metal andMoreNumber Emma 303 five specifically formulated for attaching surrounds to paper poly metal and composite cones sputters to frame sounds two baskets dust caps two cones there you go Gregg.

How do you fix a dented cone in a speaker?

1:092:08CNET How To - Fix a dented speaker cone - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou take a q-tip chop. Off the top of it Midway. So that it's nice and flat then apply a few dabs ofMoreYou take a q-tip chop. Off the top of it Midway. So that it's nice and flat then apply a few dabs of super glue to the tip. Let it soak in for a few seconds. And hold it on the dent.

Can you repair a ripped speaker?

0:161:17Speaker Repair; Torn Surround - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd went right into the speaker surround. So we get to repair that now I am using this LoctiteMoreAnd went right into the speaker surround. So we get to repair that now I am using this Loctite fabric glue. It seems to work pretty well I've heard some people using rubber cement.

How do you replace a speaker cone?

Assemble the new speaker.Remove the masking tape from the air gap on the magnet's voice coil.Set the new cone in the air gap. ... Remove the cone and apply adhesive. ... Carefully place the cone in the gap and apply a small amount of pressure.Insert shims into the air gap in the voice coil to center the speaker.More items...

How do you fix a poked speaker?

0:001:03How to Fix a Speaker with a Pushed In Tweeter Dome - YouTubeYouTubeStart of suggested clipEnd of suggested clipMany of us have gazed in horror as our little ones or even a friend with no ill intent poke theirMoreMany of us have gazed in horror as our little ones or even a friend with no ill intent poke their curious fingers into the insatiable bullseye. That is a dome tweeter. There are numerous ways you can

How To Repair A Subwoofer?

All you need is some tools and ingredients that almost everyone has lying around the house! Cut open your old subwoofer, and you’ll find several different parts: usually, an empty metal box, a broken piece of paper cone attached to a metal coil and some screws.

How Do I Fix A Subwoofer That Only Makes Buzzing Noises?

You may also want to clean out your unit with compressed air and check all of the connections are tightly in place:

How Do I Stop A Subwoofer From Shaking?

If that’s not the case, consider placing the subwoofer on top of a coaster or another piece of soft material to dampen the vibrations.

How Do I Ensure My Repairs Are As Substantial As Possible?

By making sure that the coil is fully attached to your subwoofer’s paper cone, that you remove all of the old glue from both parts before applying new glue and using a heavy object while they dry. You may also want to check out this guide for more information on how to repair speakers:

Why Do Subwoofer Cones Get Damaged?

Cracked and torn cones can happen to any subwoofer. When your subwoofer is cracked, it will make an annoying buzzing sound or crackle that will also affect the quality of the sound it gives. However, this does not mean that it is time to buy a new subwoofer.

How to Fix Plastic and Aluminum Cones

Though aluminum, plastic, Kevlar, and polypropylene cones are more durable than paper cones, they can also sustain tears or cracks. When this happens, you need to know how to repair them correctly.

How to Protect Subwoofer Cones from Damages

Though you can quickly fix your cracked subwoofer with the above steps, it may be ideal to protect them from damages in the first place. One of the best ways of protecting them from mechanical damages is using covering grills. However, this may not be possible if you have several subwoofers.

Why Did Subwoofer Get Blown?

The reasons why subwoofer blow varies but can include factors such as too much volume or an amplifier clipping due to underpowering, or overpowering. Yes, underpowering can also result in damage to your subwoofer. It’s not uncommon to encounter a blown-up subwoofer. It can happen for many reasons, but thankfully does not render it obsolete!

Why does my subwoofer make a buzzing sound?

Subwoofers are designed to produce and tolerate low audio frequencies. A subwoofer’s voice coil may become separated from its voice cone when it is playingtoo loud music. Consequently, you will hear a buzzing sound coming from the subwoofer.

How to tell if a speaker is working?

If you need to know if a specific speaker is working, it’s possible by checking the voice coil with a multimeter. Connect your two speakers and use the meter on them – one end should be connected at both ends.

How long does it take for a new enclosure to work?

Let these sit for 24 hours for your new enclosure fix to work its magic trick on all those annoying slight vibrations from ruining an otherwise perfect listening experience!

When cutting terminal wires, do you take them out of place?

Use caution when cutting terminal wires as you take them out of place; otherwise, they could contact other components in your device!

Can you check the voice coil on a speaker cone?

Having checked the voice coil, you can now move onto the speaker cone’s next component. It will be easy for you to assess this because it features a suspension system.

What is the center of a subwoofer?

Just inside from this is the diaphragm or cone (Normally a more rigid material in the middle). In the center is a dust cap. This protects the voice coil from dust. Most Home Theater subwoofers are enclosed in a box. They may be powered by themselves or may be connected to an external amplifier.

How Does A Home Theatre Subwoofer Work?

Then we can go through a quick and dirty checklist, and grab some tools.

Why use a razor blade on a cone?

Many find that a razor blade helps to remove things nicely; one tip would be to use the razor blade at an angle to the cone you will be able to clean the old material off easier and reduce the possibility of cutting into the cone.

What does a speaker do?

All speakers do is convert electrical signals to sound. So the signal needs to get to the speaker. It’s Simple right? As for the speaker itself, it’s protected by a hard basket or frame holding it all together, Suspended just inside is a foam ring that remains pliable and able to move with the thrust of the speaker.

Step 1: Required Tools

Here is what you will need to fix your speaker. Elmer's glue, gorilla glue (this stuff also works great for fixing cracks in speaker dust covers), or another type of semi flexible wood glue A regular coffee filter. A paint brush.

Step 2: Mixing the Glue

Your first step is to water down the glue so it will properly soak into the speaker cone. Mix the glue with one part water to three parts glue. I wouldn't recommend adding any more water as it could cause the glue not to stick or make the speaker cone all soggy.

Step 3: Filling in and Patching the Crack

Start by filling in the crack with glue and letting it dry. Depending on how badly cracked your cone is it might take several applications. Remember to get both sides top and bottom of the cone filled with glue.

Step 4: Paint the Patch (optional)

The final step is to paint the patch. This is pretty straight forward. I don't recommend adding a thick coat of paint as it could weaken the glue and/or crack the paint from the speaker vibration.

Step 5: Your Done!!!

That wasn't so hard now go try it your self if you haven't already. Leave a comment or question below about how it goes.

How to prop up a subwoofer?

Use a flat pry tool (such as a flat-blade screwdriver) to prop up an edge of the subwoofer.

What surface to put RTV silicone on?

Put a dab of RTV silicone on a disposable plate, or some other clean, non-essential surface.

How to clean RTV silicone?

Use a clean, lint-free cloth to wipe away any dirt/grease/grime that would otherwise tarnish the bond between the rubber and RTV silicone.

Can you cover a tear in a subwoofer?

In this case, all we need to do is cover up the tear with RTV silicone in order to make the subwoofer almost as good as new — functionally, at least.

Do you need gobs of silicone for RTV?

Again, you don't need gobs of RTV silicone in order to make a strong bond — just enough to form a thin layer.

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