Easy way to Fix Blown Subwoofer Like an Expert

Blown Subwoofer

At the point when you understand that your subwoofer has blown not long after you have bought it, it might feel like you got the worst part of the deal! This is particularly valid for a spic and span speaker that you just put resources into and took the time and exertion to set it up. Different components may make your speaker blow and these can incorporate bury a lot of volumes or the intensifier cutting to underpowering. 

Luckily, a blown-up speaker doesn’t deliver it out of date! Along these lines, before you choose to destroy or dispose of it, you should check whether your subwoofer can be fixed. The following is a straightforward guide on the most proficient method to how to repair a subwoofer that fledglings can follow. 

Step by step instructions to Fix a Blown Subwoofer 

Before you start reestablishing your blown speaker, make certain to have the accompanying devices nearby: 

  • A screwdriver 
  • Binding iron 
  • Air Compressor 
  • Multimeter 
  • Clay blade 
  • Paste 
Fix a blown Subwoofer

Stage 1-Assess the Voice Coil 

Before you start, you should analyze all aspects of your subwoofer cautiously! You can begin by checking the voice curl to check whether it’s blown. The voice curl is a vital segment that assumes the part of enhancing the current going through the speaker. 

To survey the voice loop, you can utilize an exceptionally basic strategy which includes a multimeter. 

Simply associate the speaker terminals to the multimeter and see what occurs. In the event that the meter shows any opposition, it implies the voice curl is as yet working; in any case, assuming there is no development on the meter, your loop is presumably damaged. 

Stage 2-Check the Speaker Cone 

In the event that it happens that the voice curl is as yet fit as a fiddle, you should proceed onward to the following part, which is the speaker cone. The cone is normally based on a suspension framework, so it will be simple for you to survey. 

Have a go at pushing the cone tenderly at the edges, and do this across the circuit of the speaker. The cone should soak in and once again into the right spot. Yet, in the event that it stays inflexible, this is a certain sign that your speaker cone is damaged. 

Stage 3-Detach the Speaker from its Frame 

Contingent upon the outcomes you got from surveying the voice loop and speaker cone, you’ll currently have a smart thought of where the issue is. From here it will be a lot simpler to begin the reclamation cycle. The principal thing you’ll have to do is to isolate the speaker from its fenced-in area. 

To do this you need to utilize the screwdriver from your repair kit. Unscrew the mounting screws that are holding the speaker set up. While doing this additionally eliminate every one of the connected wires however make certain to note where each wire is going for simple re-fit whenever you have repaired the speaker. 

Note that some unacceptable arrangement of the wires may make the speaker produce scratchy sound. Likewise, make certain to store the mounting sinks one spot with the goal that you don’t wind up losing any. In the event that you feel like this is a lot work, here you can investigate this shiny new speaker 

Stage 4-Remove the Speaker Surround 

With the speaker totally isolated from the edge and its wires disconnected, you should eliminate the encompass from the speaker nook. To do this search for a sharp cutting edge, for example, a clay blade or analyzer edge to traverse the paste that is restricting the encompass to the speaker outline. 

Eliminate the encompass gently, including all the paste from the casing. Make certain to be extra cautious while doing this to try not to penetrate the edges of the edge as these are very delicate. You would prefer not to damage the speaker before you’ve even gotten an opportunity to fix it. 

Also Read: Subwoofers: What is it and Types of Subwoofers?

Stage 5-Remove the Voice Coil and Speaker Cone 

The following thing to take care of is to eliminate both the speaker cone and voice loop. For this, you will require a sharp item very much like the clay blade or analyzer edge you utilized in the past advance. Eliminate the voice curl, just as the speaker cone, gradually from the subwoofer. 

Make sure to cut the terminal wires delicately and cautiously as you take out the loop, cone, and bug. Make certain to keep any remaining parts independently set up. 

Stage 6-Replacing the Voice Coil 

The voice curl is a fundamental component in the subwoofer and that is the reason it ought to be focused on. This is the place where the genuine fixing happens and you’ll need to set up another loop to supplant the former one. Yet, before you do this, start by eliminating any residue particles, earth, and other trash in the space of the voice loophole. 

An air blower should come in very convenient when cleaning the curl. Take the new voice loop and fix it inside the hole; place a new bug around it. Apply sufficient paste to the cone and cautiously place it at the focal point of the new voice loop. 

Allow the subwoofer to represent at any rate 24 hours so the paste completely dries! 

Stage 7-Fix the Speaker Frame 

Since the new curl is set up, the following thing you’ll have to do is returned the speaker’s fenced-in area. To do this, cautiously apply some paste around the edges of the encompass that will be in contact with the speaker outline. Join the encompass to the edges of the cone and speaker outline. 

By and by, you’ll need to permit an additional 24 hours for the paste to dry totally! 

Stage 8-Reassemble and Fix Other Parts 

The last advance is to set up a wide range of various segments so the speaker is prepared to work! Recollect the wires we separated in sync 3 should now be set up back. 

Basically, take the terminal wires on the new voice loop and append them to where the old terminals were. Utilize the patching iron to guarantee that they are stood firm in the situation. 

Have a go at pushing the cone delicately at the edges, and do this across the circuit of the speaker. The cone should soak in and once again into the right spot. However, in the event that it stays inflexible, this is a certain sign that your speaker cone is damaged. 

If the new loop doesn’t accompany pre-appended wires, have a go at utilizing more modest wires to associate with the terminal wires and poke some little holes into the new cone. Push the wires through the openings you’ve made to the curl while utilizing your binding iron to hold them set up. 

At last, reattach the wide range of various parts isolated before their underlying position. Fit your subwoofer into its walled-in area and fix it solidly along with the mounting screws. 

Interface your recently fixed subwoofer to the radio and appreciate the excellent sound! 


A subwoofer guarantees that you have sufficient bass in your sound to adjust the high-recurrence tweeters. Nonetheless, this may be conceivable if it fits as a fiddle. In the event that you have a blown subwoofer, don’t be quick to discard it or supplant it, it might in any case be salvageable! 

The above guide should help reestablish your damaged subwoofer and transform it into a practical speaker. Simply follow the means referenced above to get your subwoofer working once more. It will set aside the cash you would have spent on taking it to an expert and it will likewise improve your DIY abilities.

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