pura ruina is a three-stage cv-controlled fully-hyphenated full-wave rectifier/distortion designed for audio. each stage has an individual level control with corresponding cv and individual out, as well as
feeding to the universal sum output. pr's rectification creates a unique flavor of distortion unlike standard wavefolding or clipping. even simple waveforms sound amazing through pr. add some cv and you'll
never want to let pr out of your rack!