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Step 6Putting it all together
Now you simply need to plug the male 1/4" TRS to male XLR adapter into the base of your microphone turntable. I decided to buy one of these adapters specifically for this project because it gives you the TRS in that you absolutely need ( this circuit will not work with an unbalanced TS-XLR cable) and the male XLR out that you also need to interface with the power supply. It also is a very stable axis for the turntable. As an added bonus if you can find a mic clip that will hold it you now have ideal mounting options for the microphone turntable.
Once the mic is mounted you simply need to mount your motor and connect your motor's gear to the outside edge of the mic turntable to spin the microphone at different speeds and directions. You also could try spinning the mic turntable with your hands instead of a motor. The lighter the weight of your turntable the better results you will get. Have fun with your new rotating microphone!
Improvements that could be made to this project.
The microphone element is not very well protected in this configuration and could be damaged easily if it were to fall. A lightweight more robust mounting option of the mic element would be a plus.
The motor and the gears along the side of the mic turntable generate a pretty substantial amount of noise. Using slip rings that turn easily and are also electrically quiet could help improve this feature dramatically. Also, perhaps a belt driven turntable system like that found in record players could be a model for how to rotate the mic. For now, the implementation will only work with loud source material or as an instrument in and of itself. This noise could also be tamed with some band-reject filtering although this is not ideal.
Once the mic is mounted you simply need to mount your motor and connect your motor's gear to the outside edge of the mic turntable to spin the microphone at different speeds and directions. You also could try spinning the mic turntable with your hands instead of a motor. The lighter the weight of your turntable the better results you will get. Have fun with your new rotating microphone!
Improvements that could be made to this project.
The microphone element is not very well protected in this configuration and could be damaged easily if it were to fall. A lightweight more robust mounting option of the mic element would be a plus.
The motor and the gears along the side of the mic turntable generate a pretty substantial amount of noise. Using slip rings that turn easily and are also electrically quiet could help improve this feature dramatically. Also, perhaps a belt driven turntable system like that found in record players could be a model for how to rotate the mic. For now, the implementation will only work with loud source material or as an instrument in and of itself. This noise could also be tamed with some band-reject filtering although this is not ideal.
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Jan 28, 2009. 9:56 AMC0D3914
says:
hey man r u sure ur plan works? if i try it will it work?
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