Fury-800 – v2.5.0 [06-Nov-2025]

The Fury-800 is a software instrument for Microsoft Windows (VST2/VST3/CLAP/AAX) and Apple macOS (VST2/VST3/CLAP/AU/AAX) simulating the KORG Poly-800 polyphonic synthesizer from 1983. It is written in native C++ code for high performance even on "lighter" systems. Main features are:

• Two band-limited DCOs with individual envelope generators
• Two waveforms with additive harmonics (16', 8', 4', 2')
• Single (paraphonic) lowpass VCF and Noise
• On-board sequencer and Chord Memory
• Pseudo-stereo Chorus effect
• Tweaks:
  • Up to 64 voices polyphony with Velocity
  • "God Mode" for real polyphony
  • Continuous parameter values and direct access
• Resizable user interface (not "N" version!)
• Supports MTS-ESP by ODDSound dynamic micro-tuning
• MIDI Learn – all parameters can be controlled by MIDI CC
• Plug-in supports Windows and macOS (32 bit and 64 bit)

Learn how to install Fury-800 on your Mac!

Kraftraum has developed a huge and phenomenal bundle of presets which you also can use as construction kit for your own Fury-800 sounds! Get it while it's hot!

He has also created a fantastic demo for the Fury-800 (see/hear below)! The presets used in this demo are available for download here:

Matthias Sauer aka App Sound has written a very nice article about the Poly-800 and Fury-800 on bonedo.de (in German)!

Christoffer Magdalus has created a fantastic bundle of presets for Fury-800
– get the CM Soundset for Fury-800!

The Fury-800 is subject of KVR's One Synth Challenge #139 (OSC)!
Go to the official OSC website and listen to the submissions of this great event!

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