yes he did.
I also have had long discussion with Paul about the DW8000 filter board and he said when it came to using a NJM2069 in his synth, he just copied Korg's schematics.
---In korgpolyex@yahoogroups.com, <josh.nursing@...> wrote :
Paul Maddox of Vacoloco has built a standalone synth with the chip.