Vertex Effects promises Dumble-style 'drive tones in a pedalboard-friendly package with its updated Ultraphonix pedal

Vertex Effects' new Ultra Phonix MKII overdrive pedal
(Image credit: Vertex Effects)

California-based effects pedal maker Vertex Effects has unveiled an updated version of its Ultraphonix overdrive pedal.

The MKII version of the Ultraphonix is noticeably slimmer than its predecessor, but aims to do the same job – give guitarists a taste of the powerful, dynamic, crystal-clear overdrive tones produced by the legendary guitar amps made by Alexander Dumble.

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Jackson Maxwell

Jackson is an Associate Editor at He’s been writing and editing stories about new gear, technique and guitar-driven music both old and new since 2014, and has also written extensively on the same topics for Guitar Player. Elsewhere, his album reviews and essays have appeared in Louder and Unrecorded. Though open to music of all kinds, his greatest love has always been indie, and everything that falls under its massive umbrella. To that end, you can find him on Twitter crowing about whatever great new guitar band you need to drop everything to hear right now.