DIYHands OnMagazine Jimi Hendrix Was a Systems Engineer He precisely controlled modulation and feedback loops Rohan S. Puranik 6h 5 min read Rohan S. Puranik is an edge-computing architect and company founder. Jimi Hendrix used a chain of components to modulate sound, controlling a feedback loop by positioning the guitar with respect to his amplifier’s speaker. James Provost