[3] Before the introduction of the Polysix, Korg had not yet ventured into the market of modern, polyphonic synthesizers that featured dynamic voice allocation.

During this period, the market was dominated by microprocessor-controlled synthesizers such as the Sequential Circuits Prophet 5 and the Oberheim OB-X.

Instead of directly competing with these high-end synthesizers, Korg aimed to create a more accessible and cost-effective instrument with the Polysix.

To compensate for this limitation, the Polysix incorporated built-in chorus, phaser, and ensemble effects, each with adjustable intensity, which were creating utilizing a bucket brigade analog delay line design.

These effects significantly enhance the sound, contributing to its richness and depth, a key feature at the time of release.

[5] To fix it, the broken PCB traces have to be replaced by soldering connections; as an alternative, there are clones of the programmer board available made by several sources.