OPTO 3a V2


OPTO 3a is inspired by a Classic Leveling Amplifier. Smooth RMS leveling that is transparent, with some musical compression distortion in the higher gain reduction area.

   Program dependent T4 Cell style curves!!




  • 4 samples rates 44.1, 48, 88.2, 96
  • Two stage attack and release (Program dependent)
  • Limit/Compress mode
  • TWO attack choices in one preset- 2a and 3a
  • harmonics preset
  • N4 and N3 jpn skins with reduction meter
  • Side chain presets
  • ahead and HPF SC
  • Dry control for parallel dry signal


In Use

USE Preamp after comp instance


This release was made after version 1.3.903 of nebula. Please make sure you have the latest version.




As with all releases please make sure you have the latest version of nebula installed, also please check the faq regarding any questions before contacting me.