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How To Repair Torn Speaker Cones: Successful Techniques And Materials A torn speaker cone is repairable and it should restore sound quality of the audio player without professional help. This article provides an in-depth review of the process, materials and things to consider when repairing a speaker cone.
Speaker Cone Materials Explained
Standard Materials: The majority of speaker cones are built out of paper or polypropylene, but you may come across aluminum and even fiberglass-built ones. Most materials will likely need different repair procedures and adhesives.
Determine the Damage: It is important to determine how much damage has been done before you begin reparations. Simple materials can be used to fix small tears, while larger rips require a more complex solution.
Repair Techniques
A tissue repair for paper cones: A common way to fix a torn cone Small tears can be patched with this lightweight substance.
Prep: Disturround the tear to pattern a good bond.
Apply: Cut a small piece of white tissue paper — roughly the size of the rip. Using the cotton fibers, place thin and flexible adhesive on both cone and tissue.
Cure: Give the adhesive time to dry and then you will be good for testing the speaker.
In addition to, these type of adhesives also have poor flexibility13 which is not good for paper cones that need a range of motion.
Other Material Considerations
Non-Paper Cones: The cone is crafted of backings such as polypropylene or aluminum, so different adhesives might be needed. For example:
Polypropylene: Use adhesive intended for plastics
Aluminum: A comparable patch is needed typically an instant adhesive45.
Final Thoughts
Torn speaker cones are DIY repairable and while it is a trial-and-error project, you will save money and increase the life of your speakers. But make sure you have considered the material of your cone surface, in order to stick with appropriate adhesives that actually work.
