WHAT ARE SAG, BIAS, AND BIAS X? ICYMI: In this #ModelCitizens blog post, Dave Hunter (@davehuntermusic ) helps you sharpen your Helix and HX tone-crafting skills by better understanding these three critical tube amp concepts. Click the link in the bio to read. https://blog.line6.com/2022/04/19/dave-hunter-whats-behind-the-sag-bias-and-bias-x-controls-in-helix-amps/