Available as an assembled Module and as a DIY project.
This Module is currently available.
CGS 501 NCOM LW panel
CGS 501 NCOM LW panel in LW format:
https://www.elby-designs.com/webtek/cgs/serge/cgs501/cgs501.htm
http://www.loudestwarning.co.uk/portfolio/cgs-501-serge-ncom/
These merchants probably sell this module. Huh?