Can a burnt voice coil be repaired?

Can a burnt voice coil be repaired?

There is a variety of issues that can occur with speaker voice coils, and sometimes it is possible to repair them. Occasionally on smaller speakers with no adjustments it can be possible to repair them by easing them back into the centre. Gently hold the cone – remember it is made of paper and can damage easily.

Is it worth fixing a blown subwoofer?

While sentimental attachment might lead you to want to repair your blown subwoofer, it is not typically cost-effective or worth it to do so. The repair will require specific parts and skilled knowledge that could likely cost more than a new subwoofer. Plus, new subs would likely perform better.

Can a subwoofer be repaired?

To fix your blown subwoofer you’ll need to take it out of your car, fix or replace any damaged parts, and glue/wire it back together. This process can range from easy to very difficult, depending on the problem.

Why do voice coils burn?

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. If the amplifier is really too powerful (double or triple the power of the loudspeaker), there’s a risk that requires reasonable control of the sound level.

What does a bad voice coil sound like?

An over heated voice coil makes a scratching strangled sound as does dust or filings that find their way into the magnet cavity. An over driven speaker can make a bang or clack with high volume bass, but can sometimes sound fine at low volume, they can sometimes be re aligned.

What is a voice coil in a subwoofer?

A voice coil is the coil of wire around the former (tube) attached to the apex of the speaker cone. The voice coil provides the motive force to the cone by the reaction of a magnetic field to the current passing through it. A single voice coil has one winding coil and a dual voice coil has two separate windings.

What is a dual voice coil subwoofer?

While typical subwoofers have a single voice coil, dual voice coil (DVC) subwoofers use two separate voice coils, each with its own connections, mounted on one cylinder, connected to a common cone. Parallel: A dual 4-ohm voice coil subwoofer with its coils wired in parallel presents a 2-ohm load to your amplifier.

What does a burning voice coil smell like?

When the subwoofer’s voice coil overheats while you are using them, it burns the excess glue on it. And this produces a burning smell. To most people, this smell is similar to a burnt rubber, and to some people, it smells like a band-aid.

How do voice coils burn out?

Instead, the Fast Burn is when the windings rub and bang against each other. As the resins melt, they do so more evenly than the Rattle. Gases are allowed to escape from the inner layers of the voice coil, you may even notice small resin bubbles form on the gaps between the windings as the resin boils.