@adaris Been very curious about the tube modules. The Karltron Tube looks nice and the Saevitum seems to be the tube version of Ripples.

https://www.modulargrid.net/e/karltron-tube
https://www.modulargrid.net/e/abyss-devices-saevitum
-- t4mber

I have Saevitum, it's awesome, I don't really think of it as a filter though, it's more of a distortion/VCA with a filter section.