Introduction: Build a Speaker for 25 Cents

after watching many useful tutorials of king of random,kipkay ,aeszok and  other athours i decided to make my own.for this i collected the materials.but on my way of collecting materials i found a new concept of making a  small speaker.i could not buy big neodimiyam magnets and so i took out very small magnets from toys and then tried and actually it worked.and it is under only 25 cents.yes its true.so lets get started.

dont forget to leave comments 

Step 1: Things Needed

for this project you will need:

1)small neodymium magnets very small cilyndrical magnets:3. each costs 0.05 cents total 15 cents
2)a sheet of paper. cost 0.02cents
3)a piece of cardboard .can be found from any junkyards
4)some magnetic wires.can be salvaged from any electronics parts
5)two buisness cards.can be found from any buisnessmen 

thats all you need.it will cost you17cents.

Step 2: Making the Voice Coil Part 1

 a speaker has 4 main parts:the voice coil,the magnet ,the diaphragm,and the suspention.when electricity is passed through the speaker the voice coil becomes magnetized and due to the position of magnet the coil attracts it and repels it thus creating vibrations which we receive as sound.so firstly lets make our voice coil.take a strip of paper and roll it to make a cilynder shape.the diametre of the mouth of the cilynder should be more than the diametre of the magnets.now glue it so that it does not not unfold.

Step 3: Make the Voice Coil Part 2

now take some magnetic wires and leaving some inches of wires on the end start coiling the wire on the paper cilynder.coil it 50 times.now again leaving some inches of wire on the end make a knot so that the wires do not unfold

Step 4: Make the Voice Coil Part 3

now burn of the insulation of the wires on the ends using lighter

Step 5: Make the Diaphragm of the Speaker

take the card board and cut a small piece of it.now attach the voice coil to it using glue

Step 6: Make the Base

now take the card board and cut a piece from it which is slightly bigger than the diaphragm.now using glue glue the magnets to its middle

Step 7: Make the Suspention Part 1

take the buiseness cards and fold them into a shape like  W.

Step 8: Make the Suspention Part 2

now take the buisness cards and stick them with glue to the sides of the magnet on the base.

Step 9: Setting Up the Whole Thing

first take the voice coil and keep it on the magnet in such a manner that it gets fully covered.now glue the suspensions to the diaphram while keeping the voice coil on the magnet.now let it dry and your speaker is ready

Step 10: Jack It to Your Mobile or Laptop

take the jack of a head phone and stick it to the handmade speaker and enjoy the music.

 hope you liked my instructable.i am not english men and so i do not know english much.so any mistake help me correct it.give new creative ideas to do with the speaker.thanks for watching it.
 i am argha halder.class 7 .13 years old.i read in biam laboratory school naogaon bangladesh.thanks for watching and further commenting

Step 11: Making the Case

now as the main speaker is ready, lets decorate it and make it perfect to keep beside the desktop.lets take the speaker and draw its outlines on the paper.the outline of the uncovered parts should be taken first.and then cut them out.

Step 12: Making the Cover

now stick those papers to the speaker one by one and then glue or tape them.

Step 13: Making the Cover

now take the outline of the top and bottom and stick them to the speaker and add some tape.now you are done.if you want you may colour it.there are many new possibilities.use your creativity!

hope you liked my instructable.i am not english men and so i do not know english much.so any mistake help me correct it.give new creative ideas to do with the speaker.thanks for watching it.
i am argha halder.class 7 .13 years old.i read in biam laboratory school naogaon bangladesh.thanks for watching and further commenting

Comments

author
aadhavan gs made it! (author)2015-04-25

can we use ordinary magnet instered of neo magnet

author
argha halder made it! (author)argha halder2015-04-25

Yes of course! You could use any magnet you want, just make sure they are powerful.

author
aadhavan gs made it! (author)aadhavan gs2015-04-28

thanks

author
Rajat Uppal made it! (author)2013-08-18

thanks for suggestion....... and I will keep my years open...........

author
Rajat Uppal made it! (author)2013-08-17

i have headphone with me...... when I opened its out-cover of wire then there were three wires of orange, red and green.... please tell which wire to join which end??? especially that which wires will be joined with one terminal only....

author
argha halder made it! (author)argha halder2013-08-17

take speaker from any toy or such thing.now headphone jack to the mobile and play a song,now take the three wires from the headphone jack and touch two of them to the terminals of the speaker each time.if you attach the right wires to the speaker then you may hear the song in the toy .then these two wire is the right wire.now attach the wire to your handmade speaker and hear the music!the poles of the wire how you attach does not matter.because i dont get wires with colour in my headphone i cant tell exactly which colour.if you dont have external speakers then use your handmade one.but keep your years open because the sound will be faint.

author
armstk180 made it! (author)2013-07-12

Very nice job man 1

Good luck
also i vote you :)

author
argha halder made it! (author)argha halder2013-07-12

thank you very muchhhhhhhhh!

author
argha halder made it! (author)2013-07-11

oh! and if you like it dont forget to vote me.

author
cortes96 made it! (author)2013-07-11

That's so cool!

author
argha halder made it! (author)argha halder2013-07-11

thanks!

About This Instructable

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Bio: I love making and breaking electronics.
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