Three-body Technology Kirchhoff-eq [win-osx] -

Most filters allow for slopes anywhere from 6dB/octave to a massive 96dB/octave.

It includes a "Vintage" mode that adds subtle harmonic distortion, mimicking the behavior of classic hardware units. Filter Types and Modeling Three-Body Technology Kirchhoff-EQ [WiN-OSX]

Provides high-resolution visual feedback with customizable decay and resolution. Most filters allow for slopes anywhere from 6dB/octave