The materials you'll need are:

Elmer’s glue stick

Scissors Tape (both clear and electrical)

Red 28 gauge insulated copper wire

A piece of sandpaper

2 red plastic cups

12 neodymium magnets (1/2 inch in diameter)

2 pieces of tissue paper

Tip of an aux cord (3.5 mm phone plug)

Optional: 3 alligator clips

Step 1: Determine Number of Coils

Determine how much wire you will need for 35 coils. Thirty five works well because it creates stronger vibrations and therefore it forms a greater amplitude i.e. a louder sound. Also, with the 15 and 25 coils, the sound didn’t sound as clear nor was it high class headphone quality.

Step 2: Gather Materials for Coil

Get your Elmer’s glue stick,Tape, and Red 28 gauge copper wire. Take enough tape to wrap the glue stick. Make sure the sticky side is up

Step 3: Leave an Inch of Wire

Leave an inch of wire sticking out before you start wrapping the wire.

Step 4: Wrap Your Coils

Wrap the wire as many times as you want/need and make sure that they are tight and close together and leave an inch of wire sticking out at the end.

Step 5: Remove Coil

Slide the coil off the glue stick and trim the tape if you need to

Step 6: Sand the Coils

Sand the ends of the coil. It should be a copper brown color.

Step 7: Gather Your Speaker Materials

Grab your plastic cup and place 3 neodymium magnets on the bottom of the cup and 3 others in the inside of the cup. Make sure they stick

Step 8: Place the Coils on the Bottom of the Cup

Place the coil on the bottom of the cup. Make sure the magnets are in the voice coils hole.(that’s what she said)

Step 9: Tape the Coil

Tape the coil to the cup

Step 10: Cover the Outside of the Cup With Tissue Paper

Use the piece of tissue paper to cover the outside of the cup and tape it to the cup

There are two ways to do this next part:

1st Way: Grab the tip of an aux cord and remove the cover (the black part that covers the it) Wrap one end of the coil to one of the aux’s terminals (the silver thing with two ends that have holes in it ) and the same with the other end of the coil

2nd Way: Use an alligator clip to attach it to one end of the coil and do the same with the other alligator clip and the other end of the coil Attach the alligator clips to both of the terminals on the tip of the aux cord

Step 11: Repeat Step 1-10

For the second headphone

Repeat steps 1-10 and either of the ways you chose to connect the first speaker to the aux plug to make the second speaker. However, in order to connect both speakers to each other and the aux plug you can choose to use an alligator clip or wire (you will need to sand both ends before connecting them) to connect them.

Step 12: Use Alligator Clips or Wire

Use either the alligator clip or wire and attach one end to the first voice coil and the other end to the second voice coil.

Step 13: Sand Two More Pieces of Wire

Then grab 2 more pieces of wire (or alligator clips)and sand both ends of the wires.

Step 14: Tie the Wires

Tie one wire (or attach an end of an alligator clip) to the other end of the first voice coil and tie the other end of the wire (or attach an end of an alligator clip) to one of the terminals.

Step 15: Attach the Wire to the Terminals

Then tie the other wire (or attach an end of an alligator clip) to the other end of the second voice coil and tie the other end of the wire(or attach and of an alligator clip) to one of the other terminals.

Note: You do not need to use alligator clips to attach coils and aux plug together. It is recommended that you use wire instead. However, do what you believe sounds best.

Step 16: Hearing Sound From Your Speakers!

Plug in the aux cord to your phone, iPad. etc, Put the volume up, and Press play and enjoy

Step 17: Troubleshooting

When you can’t hear sound or barely hear sound:

If you used wires to attach the terminals to the voice coils, then make sure the sanded parts of the wires aren’t touching each other (you may want to cover the sanded ends with tape).

Make sure that the magnets are directly in the center of the voice coils Make sure that the voice coils are tightly wrapped

Try sanding the ends more

If the sound is scratchy try these things:

Make sure that the voice coils are tightly wrapped

Make sure everything is tied tight (or attached correctly if you used alligator clips)

Try sanding the ends more

If you used wires to attach the terminals to the voice coils, then make sure the sanded parts of the wires aren’t touching each other (you may want to cover the sanded ends with tape).

Step 18: Decorative Process

For decorating you can use whatever materials you'd like, but if you want to play it safe and follow our decorating procedure, here is a list of extra materials you need:

Pipe cleaners

masking tape paint (whatever color you want)

paint brush

push pins

2 small clear plastic cups (big enough to fit the red plastic cups)

old headband


Step 19: Covering the Voice Coils

1. Cut the clear plastic cups so the red plastic cups can tightly fit in the clear cups. Poke holes with the push pins in the clear plastic cups where the voice coils’ wire travels to the aux plug (this is so the wire from the voice coils are protected by the clear plastic cups). Use the scissors and cut up the cup up to the hole the push pin made. Then slide the wires into the hole and cover the crack you made with the scissors with masking tape.

Step 20: Covering Part of the Wires/alligator Clips

2. Do the same process from step 1 for the sides of the voice coils that connect to each other (where the wire/alligator clip connect to both voice coils).

Step 21: Holding Components Together

3. Tape the clear plastic cups to the red plastic cups with masking tape.

Step 22: Attaching Headband

4. Wrap the wire/alligator clip that connects both voice coils around the headband and cover it with masking tape. (if the alligator clip isn’t long enough to wrap around the headband, then simply place it on the headband and tape it).

Step 23: Putting the Wires Together

5. Use the masking tape to tape the two wires together up to the aux plug (make sure you don’t tape the wires together at the start, do it halfway so you have room to spread it and fit the headphone on your head).

Step 24: Covering the Wires

6. Cover the wires that are connected to the aux plug with pipe cleaners. Wrap a pipe cleaner around each of the outer rims of the red plastic cups.

Step 25: Covering Everything

7. Cover the cups and the headband with masking tape and paint them.

Step 26: Final Decorating

8. Let the paint dry and enjoy!

Step 27: Summary

The magnets, diaphragm, and voice coil are the 3 main components of a speaker because they all are large variables when producing sound and the quality of the sound. The voice coil helps strengthen the magnetic field in the wire because the wire is wrapped tightly, increasing size and mass. The magnetic field created by the voice coil also forms an alternating current in which the polarity of the voice coil "flips" the poles of the voice coil. This alternating current causes the voice coil to attract and repel from the magnet which also causes it to vibrate and produce sound since sound is a vibration of matter. However, the magnet does not vibrate because it is permanent and has more mass, the magnets are there to make the voice coil vibrate and create stronger vibrations to amplify the sound depending on how strong the magnets are. The diaphragm is to create acoustics and amplify the sound because sound needs a medium to travel through and denser materials with more compact particles cause sound to travel faster. However, light weight material should be used for a diaphragm since they are easier to vibrate. Sound waves transfer acoustical energy and are created when a vibrating object causes the medium that surrounds it to vibrate. The acoustical energy produced from sound waves travel through a medium (usually air) and to your ears into what we perceive as sound. That's why you can't hear sound in space, it is a vacuum which means that it is void of any matter. The components that affected the quality is the tightness of the voice coils and number of magnets because the magnets and number of voice coils determine how loud the headphones can be and the tightness of the coils determines how clear the headphones sound.

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