Voltage Modular 2.9.x patch.

This simple simple yet sweet sounding synth features the MRB (Mark Barton) laboratory modules and Oberfilter.

The MRB Oberfilter is a software clone of the filter found in the 1973 Oberheim Synthesizer Expander Module (SEM), but with extra features.

Velocity sensitve for both the filter and VCA. Some more tonal punch the harder you strike the key.

EQ, tape delay, and space reverb for added ambience.

Three variations provided.