[sdiy] Korg Volca Bass service manual

Mike Beauchamp list at mikebeauchamp.com
Fri Oct 30 18:37:08 CET 2026


I wasn't expecting to see a service manual with full schematic for a 
budget synth. Pretty impressed with Korg for doing this.. do they do 
this for all of their modern synths?

Mike


On 2026-10-26 17:00, Sean Ellis via Synth-diy wrote:
> https://cdn.hackaday.io/files/1698407266434560/korg_volca_bass_sm.pdf 
> <https://cdn.hackaday.io/files/1698407266434560/korg_volca_bass_sm.pdf>
> 
> Not sure if this has been shared but here's the manual, as usual some 
> interesting circuits from Korg. Schmitt-trigger in the VCO and a very 
> low parts count on the VCF, not a trimpot on board! Has anyone heard one 
> of these? I'd be interested in how the filter sounds.
> 
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