3D Printable Modular Sound Bar / Center Speaker

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I have done a few things with 3D printed speakers before (Two Way Tube Speaker and 2 Way Orb Speaker) and I came across some nice looking (and at the time dirt cheap) 2 inch full range speakers on eBay. What could I possibly do with a couple of these? Bring on the 3D Printable Modular Sound Bar/Center Speaker! I ordered 10 of the units for around 25 Aussie dollars shipped and began the design - and this is the result.  Each speaker get's its own enclosure that attaches to the next enclosure with 3 small screws. Depending on the type of speaker you get you can use the different fascias - one allowing you to mount the speaker to the front of the fascia or one where the speaker mounts between the fascia and the enclosure. The fascia attaches to the enclosure with 4 smalls screws. I printed my sound bar using red PLA for the enclosures and black for the fascias and sides, which turned out quite a nice combination. Combine any number of speakers into your own sound bar - I used 10 and hooked them up in series-parallel in order to end up with around 4 ohms impedance. The total width of my sound bar is 72cm (nearly 2.5 feet or 28 inches) which gives it a sleek look. Of course, you can also use 2 or 3 speakers units together, put the speaker on its side and voila, you have yourself your left/right and surround speakers as well! Depending on what type of connection you want you can just drill a hole in the back of one of the speakers and hook it up straight to your amp (center speakers are usually not stereo). Alternatively you can also build an amp into the sound bar - I used the trusty old KEMO 12 Watt amplifier module, which works a treat treat in this setup. For the enclosures themselves you should be able to print all parts without the need for any suports. I used .2mm resolution at a speed of 6cm/sec and everything came up nice. If you want to add the amp as well you will need to use supports to print the brackets. ** You will need to have some experience in soldering and electronics to complete this project.

About the author:
jongpau
I purchased my first 3D printer in 2016 when Aldi Stores in Australia had one as their weekly special. The printer was a Wanhao Duplictor i3 branded a Cocoon Create 3D. Ever since I have been an enthusiast home printer and I also started looking at making some of my own designs using Tinkercad. In 2017 Aldi again had a 3D printer on special - this time a rebranded Wanhao Duplicator i3 Plus and I decided to sell my "old" printer and upgrade to the newer model. I enjoy tinkering with electronics and audio which will over time probably start to show in the designs I publish here. I would very much like to hear from people who print my designs and I will do my best to answer any questions you may have!

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