OKAY 2 Synth

Oh, nothing fancy, just an analog square wave synthesizer -- That's OKAY... 2!

This is like the original OKAY but sports two octave of keys and an 1/4" audio out jack.

Monophonic: Only one note at a time can be played. This is opposed to “polyphonic,” where multiple simultaneous notes can be played.
Analog: There are no computers, microcontrollers, sound samplers, or anything digital involved. The sound you hear is the sound of a speaker being abused by discrete electronic components like capacitors and resistors and logic chips.
Square-wave: When its output is viewed on an oscilloscope, its wave resembles a square. It’s a “hard” sounding wave type, great for bass lines, and commonly associated with chiptune music and old video games.

These are the 3D models for the OKAY 2 Synth DIY Kit. Read more about it here and purchase the electronics parts at http://www.oskitone.com/product/okay-2-synth-diy-kit.

Differences from OKAY 1: more keys, keys and key bed PCBs mounted to internal cradle piece, no key plungers, audio out jack

The enclosure models are pretty big and are prone to warping. Minimize that risk by using a filament with low shrinkage like PLA and ensuring very good bed adhesion.

2018-02-13: improved keyboard cantilever bond for Cura slicer (now keys-2.stl)