Pedals that stack with the Gallien-Krueger Fusion 1200s

Marshall Guv'nor

Run Marshall Guv'nor into that high headroom platform and it finally gets some mid-forward

Ashdown Geezer Butler Signature

The high headroom tone has headroom to spare — Ashdown Geezer Butler Signature gives it low gain to fill it with

Carl Martin Crunch Drive

The high headroom tone has headroom to spare — Carl Martin Crunch Drive gives it crunchy to fill it with

Maestro PS-1A Phase Shifter

Maestro PS-1A Phase Shifter's lush voice goes after Gallien-Krueger Fusion 1200s in the signal chain — it's not there to compete with Gallien-Krueger Fusion 1200s's own high headroom character

Lab Ratz 3D Boum Warming Unit

What Lab Ratz 3D Boum Warming Unit brings here leans toward low gain — that's worth building a pairing around

Dunlop MXR M299 Carbon Copy Mini

Dunlop MXR M299 Carbon Copy Mini's own voicing points at a clean amp's front end, and Gallien-Krueger Fusion 1200s delivers it — goes in the amp's FX loop (or last, into a clean amp)

Binson Echorec Delay

Keep Gallien-Krueger Fusion 1200s's high headroom voice out front: Binson Echorec Delay goes in Gallien-Krueger Fusion 1200s's effects loop so its saturated voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)