Stigma – a free software synth that simulates the KORG Sigma KP-30
Full Bucket Music has released the Stigma, a VST 2.4 software instrument for Windows (32 and 64 bit) that simulates the KORG Sigma KP-30 Performing Synthesiser from 1979… Main features Nineteen Presets with individual filters, envelopes, and amplifiers Two band-limited oscillators with four footages (32′, 16′, 8′, 4′) Synth preset section: Eight presets including Noise […]

Full Bucket Music has released the Stigma, a VST 2.4 software instrument for Windows (32 and 64 bit) that simulates the KORG Sigma KP-30 Performing Synthesiser from 1979…
Main features
- Nineteen Presets with individual filters, envelopes, and amplifiers
- Two band-limited oscillators with four footages (32′, 16′, 8′, 4′)
- Synth 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
MIDI Learn – all parameters can be controlled by MIDI CC
40 additional presets by kraftraum
Double precision audio processing
Plug-in comes in 32 bit and 64 bit versions
Fully compatible with SM Pro Audio’s V-Machine
You can download Stigma for free here and if you’d like to support the developers than donations are welcome too.