zx82 Ball Speaker

*(Update 3/2/21: fixed mirrored thread on back.stl, new file is called back_1b.stl)*

This uses a sealed speaker module from Tang Band; the full range T2-2136SA. It's a very user friendly build, no external circuitry or tuning is required and the quality of the 3D Print is not critical to the sound quality. The usable frequency range is 80Hz to 20kHz. See frequency response and recomended EQ setting in the images.

Assembly process and sound demo:
https://youtu.be/ThtAFc4vIH0

Check out my other designs for some 3D printed subwoofers which will pair well with these.

The three main components are threaded and screw together without additional hardware. The feet should be glued in place, using the studs to locate them. After printing, secure the speaker module into the basket with bluetack, screw the front face onto the basket, clamping the speaker into place. Next, screw the front assembly into the back housing, and attach the feet.

If you use spade terminals, you can conne