Pedals that stack with the Boss Katana Bass 500

clean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (high headroom → low gain)

Boss Katana Bass 500 leans into a clean amp's front end, precisely the platform Ashdown Geezer Butler Signature wants

Goes in front of the amp

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (bright → warm)

Where this leans bright, Catalinbread SFT answers back warm

Goes in front of the amp

clean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (high headroom → mid-forward)

Univox Super-Fuzz is voiced for a clean amp's front end — Boss Katana Bass 500 gives it exactly that

Goes in front of the amp

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Run MXR Flanger after Boss Katana Bass 500 in the signal chain, clear of Boss Katana Bass 500's own gain stage

Goes in front of the amp

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)

Boss Katana Bass 500's dynamic character and Dan Armstrong Orange Squeezer's dynamic voice sit in the same lane rather than fighting each other

Goes in front of the amp

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Keep Boss Katana Bass 500's dynamic voice out front: Caroline Guitar Company Kilobyte goes in Boss Katana Bass 500's effects loop so its pristine voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Keep Boss Katana Bass 500's dynamic voice out front: Eventide Modulated Delay goes in Boss Katana Bass 500's effects loop so its modulated voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop