Nabla

The Nabla is a software instrument for Microsoft Windows (VST2/VST3/CLAP/AAX) and Apple macOS (VST2/VST3/AU/CLAP/AAX) simulating the KORG Delta DL-50 Strings Synthesizer from 1979. Is is written in native C++ code for high performance and low CPU consumption. The main features are:

• Paraphonic Synthesizer and Strings sections.
• Up to 64 voices polyphony.
• Synthesizer section:
  • Four band-limited frequency divider-driven signal generators.
  • Additional noise generator.
  • 4-pole zero-delay feedback bandpass/lowpass filter.
• Strings section:
  • Two band-limited frequency divider-driven signal generators.
  • 2-band equalizer.
  • Ensemble effect.
• Flexible pitch/filter modulation by LFO or noise.
• Tweaks (not to be found in the original Delta):
  • "GOD Mode" to provide true polyphony.
  • Panning for Synthesizer/Strings sections.
  • Built-in phaser and delay effects.
• Resizable user interface (not "N" version).
• All parameters can be controlled by MIDI controllers.
• Plug-in supports Windows and macOS (32-bit and 64-bit).

Listen to it @ SoundCloud:

https://SoundCloud.com/full-bucket/full-bucket-nabla-nabla