Pedals that stack with the Gallien-Krueger Legacy 210 Bass Combo

Ashdown Geezer Butler Signature

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

Carl Martin PlexiTone

Carl Martin PlexiTone layers high gain onto an already mid-forward signal

Marshall Guv'nor

The transparent tone has headroom to spare — Marshall Guv'nor gives it mid-forward to fill it with

Boss BF-2 Flanger

Boss BF-2 Flanger's analog warmth voice goes after Gallien-Krueger Legacy 210 Bass Combo in the signal chain — it's not there to compete with Gallien-Krueger Legacy 210 Bass Combo's own mid-forward character

Universal Audio 1176 Compressor

Universal Audio 1176 Compressor's own compressed character is the real reason this is worth trying

EarthQuaker Devices Afterneath

Keep Gallien-Krueger Legacy 210 Bass Combo's mid-forward voice out front: EarthQuaker Devices Afterneath goes in Gallien-Krueger Legacy 210 Bass Combo's effects loop so its ambient voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Boss RV-6 Reverb

Run Boss RV-6 Reverb in Gallien-Krueger Legacy 210 Bass Combo's effects loop, clear of Gallien-Krueger Legacy 210 Bass Combo's own gain stage — goes in the amp's FX loop (or last, into a clean amp)