Wednesday, October 9, 2019

speakers ordered

So after watching this video of a 1.5" speaker putting out crazy sound by 3d printing a fluted enclosure: https://youtu.be/uujaBjf3Uwg

And this video using a 3" speaker and a 3d printed case:
https://youtu.be/4_4tu4rAtgI

I decided to order a pair of these mid-range speakers: https://www.parts-express.com/grs-3fr-4-full-range-3-speaker-driver-4-ohm--292-436

And I'm going to design my own enclosure from scratch.  I know ideally there is math and calculations for optimizing sound, but I believe that this design in general helps to direct the airflow and allow the soundwaves to bounce around to increase volume and waveform range.  Look at any bose speaker, they all use this design.
Right now the main case above is an 18 hour print job each.  I'm going to add threaded brass inserts where the holes are, and 3d print sides to close it all up.  I may add some channel features to really seal everything up.


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