FREE CIRCUIT DIAGRAMS 4U: How to make a simple Speaker

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Thursday, December 10, 2009

How to make a simple Speaker

Today I'm going to tell you how to make a simple speaker.First of all you need a plastic cup,a Magnet,coil.Then turn coil around the magnet turn about 40 turns.Then after fix the magnet middle of the plastic cup.finally connect the wires to the out put of your radio set then you can listen the sound.