Repairing Guides

how to repair voice coil

by Prof. Willis Hoppe Published 2 years ago Updated 2 years ago
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  • Cut the braids and spider as you’re going to replace them anyway
  • Remove the assembly framework by taking it off in one piece
  • If you can’t take it off in one go then use a heating a gun to dissolve the glue
  • You can also use a sharp blade to take off components
  • Do clean up work by scraping old glue and sucking up solder where your braids were
  • Then take out the voice coil. You can do this by either cutting it or peeling it
  • Straighten out the cone neck where the old voice coil was
  • Take out the old dust cap by cutting it or dissolving it
  • Then use the new layout and measure the new dimensions to help you install a new voice coil
  • Re-attach a new voice coil by gluing it on

Why do I need to fix my voice coil?

One of the reasons why it’s connected to other components means you’re going to have to fix those too. If you find that your voice coil is burnt (which you’ll know if you keep reading below), then you’ll also need to fix the braids and spider (we explain what a spider is later).

How do I replace the voice coil on my speaker?

Then take out the voice coil. You can do this by either cutting it or peeling it Straighten out the cone neck where the old voice coil was Take out the old dust cap by cutting it or dissolving it Then use the new layout and measure the new dimensions to help you install a new voice coil

How does a voice coil operate?

The coil is pushing and pulling the cone. When the cone starts pounding, then sound waves form turning the electrical signals into something audible. Now that you got a broad understanding of how a voice coil operates, let’s get more in-depth to make sure this sticks in your head.

How do I remove the dust cap and voice coil?

You can also use a sharp blade to take off components Do clean up work by scraping old glue and sucking up solder where your braids were Then take out the voice coil. You can do this by either cutting it or peeling it Straighten out the cone neck where the old voice coil was Take out the old dust cap by cutting it or dissolving it

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Can you fix voice coil?

There is a variety of issues that can occur with speaker voice coils, and sometimes it is possible to repair them.

How do you rebuild a voice coil subwoofer?

11:4331:21How to rebuild a subwoofer - How to fix a speaker - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo to start with we're going to take a shim we're going to insert it into our voice coil former.MoreSo to start with we're going to take a shim we're going to insert it into our voice coil former. Make sure that your pencil leads line up with a terminal. You know slide this down over.

How do I know if my voice coil is damaged?

3:058:20Voice Coils - we know what you did! - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo you can kind of tell aside from this being a very dark color normally. This is closer a littleMoreSo you can kind of tell aside from this being a very dark color normally. This is closer a little bit later. But you can tell from excessive power starting to burn it so it's black.

How do you make a homemade voice coil?

0:173:57How to Make a Voice Coil in 3 minutes | UHD 4K - YouTubeYouTubeStart of suggested clipEnd of suggested clipFirst apply resin on the paper. It's a slow drying very hard resin. Now wind the copper wire on theMoreFirst apply resin on the paper. It's a slow drying very hard resin. Now wind the copper wire on the paper as shown in the video.

What causes burnt voice coils?

Loudspeakers are capable of withstanding very high peak powers (or "impulses") if the signal provided by the amplifier is clean and not distorted. Contrary to all other defects, a burned or melted voice-coil is a sure sign that the loudspeaker has been the victim of an electrical surge.

How do you test a voice coil?

0:122:19How To Test A Speaker or Tweeter Voice Coil - YouTubeYouTubeStart of suggested clipEnd of suggested clipAll you have to do is touch the leads. To the terminals. And it will set the decimal where it needsMoreAll you have to do is touch the leads. To the terminals. And it will set the decimal where it needs to be the decimal point this one you do need to set it in a different range.

What does a burnt voice coil look like?

Voice coils come in two flavors of traditional burn, fast and slow. The Fast Burn is easily characterized by a gradient in the coil. The bottom of the voice coil is black while the top may still be nice a copper color.

What does burnt voice coil smell like?

Burning voice coil smells like burning rubber or tire, and it is very pungent. If you smell this, your voice coil is probably burning and you will need to check it out.

How hot can a voice coil get?

Voice coil can get 250C with no problem, it is all about the varnish used for wire insulation and glue that holds windings to the voice coil former.

What is a voice coil made of?

The voice coil component of a speaker is actually just an electromagnet. Electromagnets are coils of wire, and they're normally wrapped around some kind of magnetic metal, like iron.

How do you fix a tweeter voice coil?

0:462:01VOICE COIL REPLACEMENT FOR TWEETERS !!!! - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd just gently place it where the old voice coil. Went. After it's secure you place the top of theMoreAnd just gently place it where the old voice coil. Went. After it's secure you place the top of the tweeter back on the magnet. Flip it over and retighten the screw.

Is a bigger voice coil better?

Coil Size Matters Well, the larger you make the voice coil, the more power it can handle—but at the same time, it also generates more heat. Smaller coils can be a little more resonant, but larger coils tend to have better control.

Can a blown subwoofer be repaired?

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.

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.

What kind of glue do you use to repair a speaker?

2:504:41What speaker glue to use in repairing speakers? - YouTubeYouTubeStart of suggested clipEnd of suggested clipIt is there speaker repair adhesive.MoreIt is there speaker repair adhesive.

How do you fix a rattling subwoofer?

A rattling subwoofer can degrade your listening experience....How to Fix a Rattling SubwooferReposition the subwoofer slightly. ... Remove any objects from the top of the subwoofer enclosure. ... Turn the subwoofer onto its side and examine the feet on the bottom, if it has them. ... Check the cabling connections to the subwoofer.More items...

mustang guy

If the voice coil is rubbing in your Klipsch woofer, don't throw it out yet. Some folks think it means the voice coil is blown or burnt up. It might just be out of alignment. The easy way to tell is look at the spider and see if it has become unglued from the frame. Here is a video showing a detached spider:

mustang guy

I cut some shrink tubing to build up the stirring stick to the thickness of the super glue tip.

mustang guy

I just generally glue the same sized dustcap on top of the 1/8" ridge I left of the old one when I cut it out.

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