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CD and other optical drives have small coils and magnets to focus the laser with. I show how to extract the assembly and hook it up to music devices. The resulting speaker has great potential as a headphone. Use an MP3 player or other audio device that isn't precious to you, it may malfunction when connected to the speaker.
<p>WOW!! you genious </p>
that's, i don't know what that is, it's positive, it's... it's one of those things that i wish i had thought of before i tore apart my supply of dead cd drives...
Very interesting!
a: Why does it have to be an &quot;old&quot; mp3 player? <br>b: Is there such a thing as an &quot;old&quot; mp3 player? <br> <br>Otherwise - great video. Cheers.

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