Wednesday, June 20, 2012

More Aesthetic Hard Drive Speaker

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A way to make a speaker out of a hard drive that actually looks really elegant. Video included.

I think the original 'hard drive speaker' idea came from Afrotech a couple years ago:

Step 1Open the Hard Drive

If your hard drive is held together by torx screws instead of normal screws, and you don't have a torx wrench, use a drill press to drill into the screw heads (this is what I had to do) until everything comes loose.

You'll end up seeing something like this.

Use a hacksaw to cut as far as you can between the hard drive arms and the platters. Then for the final bit of metal under the arms, use a dremel from the backside of the case. Don't worry about cutting through the flexible cable going to the arms, you should be able to see where the arm voice coil (the coil of copper wire between the two magnets at the arms base) is soldered to the which you're cutting.

Step 2Solder on wires

When you've cut the arms away from the platters, solder wires to the voice coil tips (where they were soldered to the cable which you just cut).

You might have to remove the top magnet to have easier access for soldering. To do this, drill out the screw heads keeping the magnet on from the other side of the case. Even then, the top magnet is pretty damn hard to get off, you'll have to pry it off with a screwdriver.

Then you might find it easier to solder to the coil ends if you pull the ends off of wherever they were soldered, this way the ends are free and not so close together.

Step 3Play Music

Once you're wires are soldered to the voice coil, hook the wires to your audio amplifier (stereo, or whatever) and play some music. Use music with a lot of treble rather than bass to test it.

It will only work if the thing is resting ontop of a good sounding surface, if you're holding it in your hand it won't work. This is like how the strings of a guitar won't make much sound without the big flat guitar beneath them.

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