
At this point, let's spare a thought for Gene Zumcheck. Having (allegedly) fallen out with Bob Moog once before, he again found himself working alongside the man, and soon left the company. Once Zumcheck had departed for the second time, Moog decided to take the Sonic V and turn it into a Moog product. To do so, he made just one significant change; he returned to one of the rejected 1969 drawings for the Minimoog (one that never made it, even as a prototype), and installed the Sonic V's circuitry and keyboard into this. He then added a pitch-bend wheel and glissando control. The result was the Moog Sonic 6."
read the full article on Sound on Sound.
via Dave Manley on the SDIY list.