Aurex releases ERX-1 free Ableton rack instrument


Developer: Aurex

erx-1Aurex has announced the release of ERX-1, a free Ableton rack instrument based on the Korg EMX-1.

I created this instrument because I really liked the simplicity and sounds of my Korg EMX-1 with upgraded tubes. My goal was to have a whole range of sound possibilities inside one easy controllable rack so I emulated some of the oscillator models and a few of my favorite effects.

I multisampled my old trusty Korg EMX-1 and added a few tricks on top.
This rack features 5 oscillator models and 3 multi FX units with 8 different effects each. 2 edit knobs for the different units let you control all kinds of different parameters, resulting in a lightning fast workflow.

M4L is needed for the LFO’s, Operator is needed for the Additive model.



  • Single Oscillator with noise or click
  • Dual Oscillator with detune and transpose
  • Unison with detune and transpose
  • Additive with FM
  • PCM with FM
  • Amp and Arp section
  • 3 Multi FX with each 8 editable effects
  • LFO, EQ and Tube Drive



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