How to disassemble a subwoofer

Written by sean farmer
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How to disassemble a subwoofer
An example of a worn out speaker. (speaker image by CraterValley Photo from

There are a variety of reasons to disassemble a subwoofer, including education and salvage, but most commonly repair. Subwoofers are no more then large speakers. These large speakers contain all the same parts as a regular speaker, and can be dismantled the in the same way as a regular speaker. Dismantling a subwoofer does not require professional skills, but you should excercise caution to prevent damage to additional parts, thus making it unrepairable.

Skill level:

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Things you need

  • Various screwdrivers
  • Utility knife
  • Desoldering gun
  • Industrial solvent (full disassembly only)

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  1. 1

    Remove the speaker from its enclosure by removing all of the mounting screws.

  2. 2

    Cut off the speaker's surround (foam or rubber ring attached to the cone and speaker frame) with the utility knife.

  3. 3

    Pry the cone away from the voice coil with the utility knife. Desolder any wires attached to the cone.

  4. 4

    Pry the voice coil out with the utility knife.

  5. 5

    Unscrew the speaker frame from the top plate. Bathe the plates, magnet and bottom of the speaker frame in industrial solvent.

  6. 6

    Remove the speaker frame from the plates once the bonding glue has been dissolved by the solvent. Pry apart the magnet-plate assembly. It may be necessary to bathe the assembly multiple times to fully dissolve the bonding glue.

Tips and warnings

  • Only use the solvent in well-ventilated areas.

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