“We didn’t want to just make a one trick pony octave up device”: Jimi Hendrix, Tony Iommi and Josh Homme all championed the octave pedal – now KMA Machines’ Mandrake Octo-Shrieker looks to take the effect to new heights

KMA Machines Mandrake Octo-Shrieker.

Berlin-based effects specialist KMA Machines has unveiled the Mandrake Octo-Shrieker – a new octave pedal that looks to take the effect beloved by the biggest names in guitar to new heights.

Indeed, in the brand’s own words, the Mandrake looks to rectify a key issue found in the octaves that were all used by the likes of Jimi Hendrix, Tony Iommi, Josh Homme, Billy Corgan, Jack White and more.