
- Step 1: It is first necessary to position the mold in the winding machine and tightly tighten it.
- Step 2: Measure the width of the damaged voice coil.
- Step 3: You should measure the aluminum strip face over with a tolerance of 2 millimeters.
- Step 4: Using a pencil or screwdriver, bend the aluminum strip. You must face the silver side inward when you make your...
Full Answer
How to change speaker voice coil?
- Speaker coil off centre (1): Even though modern loudspeakers are very good and seldom go off centre, sometimes this can occur. ...
- Speaker coil off centre (2) : On larger units where the speaker coil goes off- centre it is possible to repair them. ...
- Spider adjustment: Some speakers, especially older ones have a spider that holds the cone and coil in place. ...
How to refoam a speaker?
- Remove the speaker from the cabinet by removing the screws that hold the speakers in. ...
- Bolt or tie-strap the speakers together, face-to-face.
- Speakers should be wrapped in bubble wrap or foam to a minimum thickness of 3-4". DO NOT USE AIR PILLOWS, PEANUTS, STYROFOAM OR PAPER.
- Ship by UPS to:
- Watkins Stereo, Inc. ...
How to test a speaker or tweeter voice coil?
- Touch the positive side of the battery to the positive side of the speaker and the negative to the negative.
- Only touch the battery to the terminals for a quick moment.
- It is best to use a partially discharged battery.
How to refoam speakers?
gently remove old foam from frame and cone. scrape foam from cone. completely cleaned speaker. carefully remove the dustcap. you can cut above where it attaches to cone. insert voice coil centering shims. make sure cone and spider are level. apply glue to cone and frame. attach foam to both.

Can a speaker voice coil be repaired?
Speaker coil repair. There is a variety of issues that can occur with speaker voice coils, and sometimes it is possible to repair them.
How do I know if my voice coil is blown?
Blown Speaker Symptoms What is this? Distortion at Normal Volumes - If even at moderate volumes you hear hiss, static, and fuzz, then you have one of two problems on your hands. You either have loose or damaged voice coils or you have a torn cone. If you turn up the volume the problem should get worse.
How do you rewind a speaker coil?
0:413:57How to Make a Voice Coil in 3 minutes | UHD 4K - YouTubeYouTubeStart of suggested clipEnd of suggested clipNow wind the copper wire on the paper as shown in the video. Make sure you are winding the copperMoreNow wind the copper wire on the paper as shown in the video. Make sure you are winding the copper wire on the area where you've applied the resin. For different speakers with different specifications.
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 you test a speaker 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.
How do voice coils burn out?
A poor contact between the connection wire + and - terminals can be at the origin of important noise, which results in a burst of amplifier distortion at high levels of electrical power.
How do you fix a dead speaker?
Unfasten the driver (speaker) by removing screws around the perimeter.If the speaker is noisy, check the voice coil. Use rubber cement or a repair kit to repair any small holes in the cone. ... If sound is intermittent, check the speaker cable and connections, test the thermal fuse and check the voice coil.
What is a voice coil made out 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 wire a voice coil?
1:073:40Dual Voice Coil Subwoofer wiring - Dual 2 ohm coils - YouTubeYouTubeStart of suggested clipEnd of suggested clipBecause they are dual 2 ohms we're going to take the positive connection of one coil. And we'reMoreBecause they are dual 2 ohms we're going to take the positive connection of one coil. And we're going to connect it to the negative side on the other.
Can a blown speaker be fixed?
Repair a tear in the cone of the speaker. If the cone of the speaker is punctured or torn you can use some tape or glue to repair the hole. If you are using glue you need to be sure the hole is completely covered.
What kind of glue do you use to repair a speaker?
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.
How do you fix a partially blown subwoofer?
1:0519:05HOW TO REPAIR A SUBWOOFER (EASY) - YouTubeYouTubeStart of suggested clipEnd of suggested clipBy an ohm meter or you can simply use a 9-volt battery to make sure that the speaker reacts when youMoreBy an ohm meter or you can simply use a 9-volt battery to make sure that the speaker reacts when you put power to the terminal here.
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.
Why does my speaker smell like its burning?
Banned. Some speaker voice coils will give off a particular smell if you warm them up enough while playing at high volumes. This may happen more often with new speakers, but also may indicate that you are clipping the amplifier (even if you think you can't hear it).
What does blown speaker sound like?
The most common aural indication of a blown speaker is an unpleasant buzzing or scratching sound, by itself or roughly at the pitch of the note the speaker is attempting to reproduce. Or there could be no sound at all.
What does a blown sub sound like?
if the sub makes a scratching noise when its not powered and/or its frozen (has no flex when you push the dust cap) its blown.
What causes a speaker coil to move?
A current causes the coil to produce a field of magnetism which causes the wire to move. This, in turn, causes the coil to move. This is a very brief description of how a speaker operates in relation to a voice coil.
How does a voice coil work?
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.
What causes a voice coil to do the opposite?
A permanent magnet creates a magnetic field. And as opposites attract, the negative end of the permanent magnet attracts the positive end of the electromagnet (voice coil). When vice-versa happens, this causes the voice coil to do the opposite.
What is a speaker cone made of?
Well, a cone is made up of different material depending on the manufacturer. One debate that comes up often when it comes to speaker cone material is kevlar vs. polypropylene speakers. Depending on the material, you might have a dome or a cone. The material affects how strong the voice coil needs to be.
How to tell if voice coil is burnt?
If you smell the coil and it’s burnt. Easy. The 2nd tell is by touching the cone and you hear something crunchy. That “crunch” you hear is due to the burnt cone. The opposite of an ice cream cone.
What is a spider in voice coils?
Another point that needs to be understood is knowing what a “spider” is. A spider is a ring keeping the coil in position.
How to measure speaker current?
You can measure speaker current and voltage by using a series ammeter, a clamp on an ammeter, and a voltage drop across a series resistor. Understanding how a speaker delivers energy is important to understanding how to fix voice coils burning out.
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.
