Try to keep your skull glued on while geeking out on the gear the Grammy-winning producer uses to make epic albums with Foo Fighters, Alice in Chains, Deftones, Korn, Rush, Mastodon, and others.

This 1968 Orange OR100 is a beast that’s typically used for layering. When snarling guitars are panned left and right in the mix, Nick uses it for a clean, fat, low-end sound that comes right up the middle. It was bought at a guitar show in L.A. almost 20 years ago and had a volume knob mod “to give it some gain,” Nick says. “It didn’t work. You have to turn it up so loud for it start breaking up.”

D'Addario Micro Tuner:

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