Line 6 Chief Product Design Architect and Helix/HX mastermind Eric Klein reveals the previously undisclosed history of the Helix guitar processor in great detail. Eric shares dozens of images of early Helix mock-ups and prototypes, describes the ways in which the design evolved over time, and also explains how the development of Helix informed the design of HX Effects, HX Stomp, and even POD Go. Plus, he spotlights some less well-known Helix features, including how to use Helix footswitches as a

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