Get the Tone
Use these settings as a starting point – bearing in mind that the ‘heaviness’ was provided more by the ensemble as a whole, especially John Bonham’s drumming! Though Jimmy has used a selection of fuzz style pedals through his career, there doesn’t seem to be any definitive ‘must have’ to get this kind of tone. He didn’t use masses of gain, though his Marshall backline was modified to be even louder than standard! An MXR phase 90 appears on Kashmir and The Rover.