Blackstar Unity Bass U60

Ashdown Geezer Butler Signature

Into a transparent tone, Ashdown Geezer Butler Signature brings the low gain it's missing

Boss ODB-3

The transparent tone has headroom to spare — Boss ODB-3 gives it low gain to fill it with

Carl Martin PlexiTone

The transparent tone has headroom to spare — Carl Martin PlexiTone gives it high gain to fill it with

Walrus Audio Monument CS

Keep Blackstar Unity Bass U60's mid-forward voice out front: Walrus Audio Monument CS goes after Blackstar Unity Bass U60 in the signal chain so its low gain voice doesn't muddy it

Demeter Compulator

Demeter Compulator's own compressed character is the real reason this is worth trying

Mad Professor Deep Blue Delay

Mad Professor Deep Blue Delay's analog warmth voice goes in Blackstar Unity Bass U60's effects loop — it's not there to compete with Blackstar Unity Bass U60's own mid-forward character — goes in the amp's FX loop (or last, into a clean amp)

Alexander Pedals Now We Are Ghosts Reverb

Keep Blackstar Unity Bass U60's mid-forward voice out front: Alexander Pedals Now We Are Ghosts Reverb goes in Blackstar Unity Bass U60's effects loop so its analog warmth voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Electro-Harmonix EH-1335/EH-3075 Hot Tubes

Electro-Harmonix EH-1335/EH-3075 Hot Tubes is voiced for a clean amp's front end — Blackstar Unity Bass U60 gives it exactly that