Pedals that stack with the Walrus Audio Fundamental Drive

Greer Royal Velvet

Greer Royal Velvet leans smooth right where the bright tone needs it

Electro-Harmonix Green Russian Big Muff

Run Electro-Harmonix Green Russian Big Muff after it and the bright edge settles into something more smooth

Hughes & Kettner Tube Rotosphere MKII The Analog Leslie Simulator

Run Hughes & Kettner Tube Rotosphere MKII The Analog Leslie Simulator after Walrus Audio Fundamental Drive in the signal chain, clear of Walrus Audio Fundamental Drive's own gain stage

Suhr Woodshed

What Suhr Woodshed brings here leans toward transparent — that's worth building a pairing around

Caroline Guitar Company Kilobyte

Caroline Guitar Company Kilobyte's pristine voice goes after Walrus Audio Fundamental Drive in the signal chain — it's not there to compete with Walrus Audio Fundamental Drive's own bright character — goes in the amp's FX loop (or last, into a clean amp)

Line 6 DL4 Delay Modeler

Line 6 DL4 Delay Modeler's warm voice goes after Walrus Audio Fundamental Drive in the signal chain — it's not there to compete with Walrus Audio Fundamental Drive's own bright character — goes in the amp's FX loop (or last, into a clean amp)