Moogah SEM VCF (Frac DIY)

UPDATED FOR 2026! NEW BUILD GUIDE, LOWER PRICE!

Moogah SEM VCF, Frac format 2U panel

PCB project by Jeff Farr (Moogah) with permission from Tom Oberheim

This design has been popular in Euro and Dotcom/MU formats, and is now available in Frac. Modeled on the famous SEM VCF . 

Full kit includes panel, pcb, pcb parts, panel parts, etc. The build requires some flying wires and is farily straightforward with traditional thru-hole components and an easy-to-follow schematic. Each component is individually bagged and labeled. 

This includes the updated 2020 PCB version (green) with corrections and the trace fix from the earlier versions addressed.

NOTE: As described in the ModWiggler thread and elsewhere, the PCB design allows for implementation of certain CV controls over Resonance. This version of the SEM VCF does not make use of those optional controls. Much useful history and information can be found in the MW thread: SEM VCF Thread on MODWIGGLER