Carbone Records Carbonizator v16.5.2024WiN | VST3 | 4.92 MB Three valve-modeling harmonic distortion / waveshaping...
Highpass and lowpass filters, each with frequency modulation
Per-filter LFO controls for filter FM, with speed, amount, and two waveforms (square/sine)
Resonance control
Amplitude modulation with its own LFO (again amount, speed, and two waveforms)
It's a really clever setup, and even if you have something like this, those particular valve waveshapers sound unique...