Full Bucket Music has introduced its new Kern, a free a polyphonic software synthesizer plugin for Windows.

Kern is designed to run with and to be fully controlled by modern MIDI keyboard controllers like the Novation® Impulse™. It is written in native C++ code for high performance and extremely low CPU consumption.

Video demo:


  • Streamlined to be used with MIDI keyboard controllers;
  • all parameters can be controlled by MIDI CC
  • MIDI Learn
  • Two alternative user panels
  • 32 voices polyphony including portamento
  • Two band-limited oscillators including Hard Sync
  • 4-pole zero-delay feedback lowpass filter (two types)
  • Two envelopes, one LFO
  • Chorus effect
  • Double precision audio processing
  • Plug-in comes in 32 bit and 64 bit versions
  • Fully compatible with SM Pro Audio’s V-Machine™

Kern is available for Windows as 32 and 64-bit VST plugin.

More info:

Kern free VST instrument