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 Nabla by Full Bucket Music is a Virtual Instrument Audio Plugin for Windows. It functions as a VST Plugin.
Product Nabla
Developer Full Bucket Music
Price (MSRP) Free
Type / Tags
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
 1.0.4  Downloads Released
Miscellaneous Information
Copy ProtectionNone

The Nabla is a VST 2.4 software instrument for Microsoft Windows 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.
  • Double precision audio processing.
  • All parameters can be controlled by MIDI controllers.
  • Plug-in comes in 32-bit and 64-bit versions.
  • Fully compatible with SM Pro Audio's V-Machine.

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