Pedals that stack with the Gallien-Krueger MB 112 II Combo

Ashdown Geezer Butler Signature

Run Ashdown Geezer Butler Signature into that transparent platform and it finally gets some low gain

Boss ODB-3

Run Boss ODB-3 into that transparent platform and it finally gets some low gain

Way Huge Swollen Pickle

Run Way Huge Swollen Pickle into that transparent platform and it finally gets some fuzzy

MXR ZW90 Wylde Phase

Put MXR ZW90 Wylde Phase after Gallien-Krueger MB 112 II Combo in the signal chain, clear of Gallien-Krueger MB 112 II Combo's own gain stage

Wampler Mini Ego 76 Compressor

Wampler Mini Ego 76 Compressor leans toward compressed, and that's a real, usable character to pair with

Mad Professor Deep Blue Delay

Run Mad Professor Deep Blue Delay in Gallien-Krueger MB 112 II Combo's effects loop, clear of Gallien-Krueger MB 112 II Combo's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Electro-Harmonix Memory Boy Analog Delay

Keep Gallien-Krueger MB 112 II Combo's transparent voice out front: Electro-Harmonix Memory Boy Analog Delay goes in Gallien-Krueger MB 112 II Combo's effects loop so its modulated voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)