How to Make a Speaker Cone

Written by deronte' smith
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How to Make a Speaker Cone
Make a speaker cone in no time. (Hemera Technologies/ Images)

The components of a speaker provide for its ability to emit sound at different levels of intensity. A speaker's magnet, cone, voice coil and housing provides for the depth, clarity and quality of sound. Though the speaker cone is imperative to a speaker's construction, it is only made of paper with its importance not as significant as the other components of the speaker. Making a speaker cone is not an arduous task and can be done with some preparation.

Skill level:
Moderately Easy

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Things you need

  • 3 sheets of 22.7kg paper
  • Pencil
  • Scissors
  • Hole puncher
  • Dual-sided tape
  • Small disk magnet
  • Small cylinder 3-5 cm wide
  • 28 gauge magnetic wire
  • Piece of cardboard

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  1. 1

    Draw an 11cm diameter circle on a piece of paper. Insert a radius line within the circle.

  2. 2

    Cut the circle from the paper, cutting a slit at the radius. Curve the paper together with an overlap of 3cm as you will create the cone. Tape the cone together.

  3. 3

    Draw a 12cm square on a second piece of paper for creating your face mount. Draw a diagonal line from the upper-left corner to the lower-right corner of the square. Draw another diagonal line from the upper-right corner to the lower-left corner of the square, making an "X."

  4. 4

    Draw the 12cm circle on the square with an X. Draw a smaller 6cm circle within the larger circle. The intersections of the X will create four quadrants. Punch a hole in the middle of the each quadrant between the outer and inner circles. Cut the square from the piece of paper.

  5. 5

    Cut a small piece of cardboard in the shape of a square to the size of the magnet. Tape the magnet to the cardboard with the dual-sided tape.

  6. 6

    Apply the dual-sided tape to the cardboard with the magnet and place it at the intersection of the diagonal lines on your face plate.

  7. 7

    Attach the cone to the face plate on the 12cm circle of the drawn square. Secure the cone in place with small stripes of tape where the cone meets the paper face plate.

  8. 8

    Wrap 1.5 meters of the magnetic wire around the cylinder several times creating a small wire band around the object. Allow 15cm of wire to be exposed on each side of the wire from the cylinder.

  9. 9

    Remove the wire from the cylinder, threading the exposed wire around and looping it through the wire ring to hold it in place.

  10. 10

    Attach the wire coil centred at the top of the cone. Place one long strip of tape across the top of the coil, taping it to the cone.

Tips and warnings

  • Listen closely to detect the sound from the speaker as sound levels will likely be very low.
  • The speaker can cause damage to electronic devices as it has very low impedance, causing some devices to short circuit if connected.
  • Use at your own risk.

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