Stigma ς – v1.3.2 [27-Nov-2023]

The Stigma is a software instrument for Microsoft Windows (VST2/VST3/CLAP) and Apple macOS (VST2/VST3/CLAP/AU) simulating the KORG Sigma KP-30 Performing Synthesizer from 1979. It is written in native C++ code for high performance and low CPU consumption. Main features are:

• Nineteen Presets with individual filters, envelopes, and amplifiers
• Two band-limited oscillators with four footages (32' to 4')
• Synthe preset section:
  • Eight presets including Noise and Ring modulator
  • Individual lowpass and global highpass filters
• Instrument preset section:
  • Eleven presets, Delayed Vibrato effect
• Effect section:
  • Portamento, Quarter Tone, Keyboard Sensor (aftertouch) and more
• Tweaks (not to be found in the original Sigma):
  • Up to 64 voices polyphony with Velocity
  • Chorus/Ensemble section
  • Preset editor
• Supports MTS-ESP by ODDSound dynamic micro-tuning
• Resizable user interface (not "N" version!)
• MIDI Learn – all parameters can be controlled by MIDI CC
• 40 additional presets by kraftraum
• Plug-in supports Windows and macOS (32 bit and 64 bit)

Learn how to install Stigma on your Mac!

Kraftraum has created a fantastic demo for the Stigma!
The presets used in this demo (plus more!) are exclusively available for download here:

Found a bug? Want to leave a comment? Please send a mail! ... or ask for a mail about the latest Full Bucket news!