When you use two hands, ever-so-carefully, and lightly press on the subwoofer cone, you might experience:. A multimeter is a great tool to have on hand, and this tool will be able to tell you if a subwoofer has any damage to its coil. If there is zero electrical resistance, you have damaged your coil, or if the reading does not stay in place, you may have a damaged coil.
Here is a standard, easy to use multimeter that you should probably keep around the house. If you keep it in place, it may end up causing damage to your other equipment, which can create an even bigger problem. Second, you may want to get an expert opinion on the state of your subwoofer. If the subwoofer is relatively new, it could possibly be covered under warranty. It is good to test it yourself, but it is even better to get multiple people to assess the damage. Whether this means calling up your extremely tech savvy friend or taking it to the Geek Squad at Best Buy, why not get a second and third opinion?
Lastly, review how you want to proceed without your subwoofer. Are you in a good place to buy a new one? Could you live without it, currently?
Have you considered trying to fix it? Most times, buying a new subwoofer is the route to go, but there may be another route for you. Here is one of our articles on protecting home theater equipment. This could possibly help prevent this type of issue in the future.
Yes, there are ways to fix a blown subwoofer, but it is not something to be taken lightly. The act of fixing the area of the subwoofer that has been damaged is also very challenging. I would not suggest attempting to fix a subwoofer unless you actually know what you are doing.
One of the best things about buying a new subwoofer is that there are likely much better options on the market than your current one. There are great options everywhere and for every budget. The choice is yours, but whatever your specifications are, there is a match for you. Thanks a lot for sharing your incredible ideas.
It is an appreciated and pretty tip for all those music lovers who want to upgrade exist subwoofer with new one. What a great article share. A great contribution especially for someone looking for buy a car subwoofer, amplifier and enclosure. If anybody want to install new one, this is the most effective share, that will be very helpful for best choice. Thanks a lot for post.
You are kept very helpful to share about subwoofers, it is also demantable post for those who want to upgrade their old subwoofer. Scratchy movement : Subwoofers that are damaged will often have scratchy sounds when you press on the woofers. This type of blown sub may function at significantly less performance than in the original condition. Get a new sub as this scratchy sub could ruin your amp. This condition often indicates that the spider and surround suspensions are worn out and the sub has reached the end of its useful life.
Blown subwoofers and car speakers are bummer that can be solved. Getting a new subwoofer or speakers will complete your car audio requirements. The nice thing about new subwoofers are the better designs and qualities compared to speakers of the past. Your opportunity for a better sounding and more powerful sub is available when you stop down to Mobile Install in Brooklyn Park, MN.
Mobile Install carries a number of brands of car audio subwoofers and speakers. Many styles of sub boxes and amplifiers are also available in our showroom in the Minneapolis area. We offer high quality professional installation and fantastic customer support. Mobile Install is your go-to location for any car audio needs in Minneapolis and Brooklyn park. Signal and Distortion Subwoofers are most commonly blown by supplying too much signal to the car audio amplifier. Too much power Too much power is a very easy way to damage a car sub or car speakers.
How to tell if a subwoofer is blown A blown subwoofer can be identified by a number of ways. Looking for International Support? Connect ID. What is Connect ID? Call us at Your advisor will be able to share relevant pages and add items to your cart. Your security and privacy are ensured. Our advisors cannot see anything that is on your computer. They only have the ability to "serve" a page from our site and put items in your cart.
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Meet Buck Pomerantz Close. More about Buck Started at Crutchfield in Completed our thorough in-house Advisor training, learning about the ins and outs of our various products Stays up-to-date by attending vendor training sessions for new products Earned MECP Mobile Electronics Certified Professional certification Designed and organized Crutchfield's subwoofer wiring diagrams Authored dozens of Crutchfield articles and hundreds of product presentations, primarily focused on car audio amplifiers and pro audio gear Answers the many customer questions posted in the comments on his articles Semi-retired soundman with decades of experience making other people sound good From to , also worked as a sidelines video camera grip for University of Virginia football and basketball games.
Comments Read comments. Michael, Yes. That's what those ratings are for: safety. Carlos Almeida Jr. Carlos, One of the products of work is heat. If your amp is working hard, it'll get warm.
If it gets too hot, its internal sensors will either shut off or reduce the amp's power output until it cools down. Liam, Under-powering a sub is only a problem if it is being sent distorted, clipped signals.
Otherwise, it's just like turning the volume down - it won't hurt anything. What you're describing is an intermittent connection - something, somewhere in the wiring is a bad connection. It may even be inside the subwoofer itself. Alex, A signal can clip at any power level, regardless of the devices' ratings. The original source can be clipped, overloaded receiver circuits can clip the signal, and incorrectly set amplifier gains can result in clipped signals. Colton, As long as the amp puts out less than the sub's rating, it'll be safe.
Rory, Without knowing precisely what amp and subs you're referring to, we can't know for sure, but it sounds like running a W sub with a W amp is the issue. Shawn, Your amp's gain may be set too high, allowing the sub's coil assembly to bottom-out, hitting the back plate. Or the sub is already damaged and it shows up when played loudly. John, You should never adjust an amp's gain control while playing music. The gain should get set when the amp is installed and then left alone.
It sounds like your amp gain's controlling potentiometer is dirty which is why it makes crackling noises when adjusted. And it also sounds like your subwoofer is blown because of it. Frank, This article refers to car audio subwoofers, where matching subs to amps is important for safety.
For example, if you try and power a sub rated for watts RMS with an amp putting out watts RMS, and the sub blows, we would not honor the warranty because the rating was exceeded. Home theater subs don't have this issue because the amps and subs are matched by the manufacturer.
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