Hacked Gadgets Forum

January 26, 2010

Multichord – Hard Drive Musical Instrument

at 3:44 pm. Filed under Computer Hacks, DIY Hacks, Electronic Hacks

multichord_hard_drive_musical_instrument


Here is another project idea for one of those old hard drives you have laying around. The Multichord turns your hard drive and some other miscellaneous items into a musical instrument.

“The Multichord musical instrument is an acoustic stringed instrument with a single string, constructed from wood, a hard drive, 20-lb monofilament, and assorted electronic components. It was the culmination of a project to build an acoustic instrument capable of playing multiple notes without fretting or manual, time-consuming retuning. The Multichord achieves this by attaching a hard drive read/write head assembly between the resonant string and a tensioning spring to adjust the tension of the instrument’s string. Careful adjustment was made to the tension of both the string and the spring with the hard drive head in a neutral, unpowered position to ensure a bipolar application of voltage within the safety ratings of the hard drive’s coil could cause the string to cover a full musical octave. In the end, the Multichord was tuned to a C-major scale (no flats or sharps) running from A at 220Hz through (but not including) A at 440Hz.”


 

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3 Responses to “Multichord – Hard Drive Musical Instrument”

  1. HDD actuated acoustical instrument - Hack a Day Says:

    [...] [via Hacked Gadgets] [...]

  2. NatureTM Says:

    I really like the concept and I think it could be expanded upon a great deal. It might be beyond the scope of what you were trying to accomplish but if it could pluck and mute itself it could easily be connected to a midi controller. I also imagine it could produce some unique portamento effects if you could move smoothly between notes. I really want to try something like this. Very nice!

  3. anon Says:

    The instrument is tuned to C for sure but it isn’t 220 to 440hz. 220-440 hz is A, not C.

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