3D Printed Egg Speakers

I made these 3D printed egg speakers about a year ago and now they are ready to be posted (many things had to be worked out and tested), many color variations can be made 🙂
IMG_2304_2.jpg

Sound with the sioux unit is very good, well Make: Magazine posted them as Audiophile speakers, i have been using these units for 10 years and have never found anything that comes close to sound and price, just needs a tweek with a small upgrade to treble crossover
3" Egg is based on the W3-871SC unit, good sound but very little bass, with a sub they would make great satellites and they are cute, have been thinking about doing a 2" also

For now i have 3, 4 and 5" sizes but more will come later, TDA7294 + Transistors will also be in various versions + Class D amp(s) in 3D printed cases


Thingiverse (Download and make your own, and info on volume etc)
About dr_frost_dk - Thingiverse

Make: Magazine Article
3D Printed Egg Speakers | Make:
 
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A "Juke Box" shaped cabinet looks interesting.

For desktop speakers and music monitors located near the walls, it can be desirable to create a baffle shape which produces mainly forward directivity down to wavelength=cabinet_width, and also has large radius quarter rounds to reduce edge distortion on longer wavelengths.

Juke Box = 180-degree baffle waveguide down to wavelength=cabinet width. 180-degree baffle waveguide up to tweeter's natural beaming.
 

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I have two sets of big egg speaker prototypes made by Leigh Industries but never issued commercially. Quite nice speakers which I use for our TV.

Two-way, they have XOs resembling the famous BBC-Rogers LS3/5A with 18 elements.... which is where you end up after careful testing of any speaker.... unless you just go bi-amp DSP which makes a lot more sense today.
 
Somewhat similar to the spherical concrete speakers I made back in 2000. Sphere-like shape is wonderful on the outside, gives smooth baffle step, but terrible on the inside, because almost all dimensions on the inside are the same giving a terrible standing wave resonance. The egg might be somewhat better than an exact sphere though. I ended up stuffing the inside of the sphere heavily with polyfill for the closed box version, and installing a tilted inside wall that cut the inside into a half sphere in the ported version to reduce the standing waves.
 

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Hello Heine ,

Could you produce a .stl file of your Egg without the reflex port in the front and thus a somewhat shorter baffle/flat front section?

Thanks ,
Eelco

Maybe in the future, right now im concentrated on finishing up patterns and documenting the RGB´s to go online, next laser weapons, VERY big printer, Velomobile etc so can't make any extra stuff anytime soon