Pedals that stack with the Phil Jones BG-80 Double Four Plus 90W Bass Combo

Ashdown Geezer Butler Signature

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

ThorpyFX The Dane

Put ThorpyFX The Dane in front and the mid-forward tone leans further toward fuzzy

EarthQuaker Devices Hoof Reaper

EarthQuaker Devices Hoof Reaper stacks fuzzy on top of the mid-forward already here

MXR ZW90 Wylde Phase

Run MXR ZW90 Wylde Phase after Phil Jones BG-80 Double Four Plus 90W Bass Combo in the signal chain, clear of Phil Jones BG-80 Double Four Plus 90W Bass Combo's own gain stage

Wren and Cuff Gold Comp

Wren and Cuff Gold Comp's own germanium character is the real reason this is worth trying

EarthQuaker Devices Afterneath

Put EarthQuaker Devices Afterneath in Phil Jones BG-80 Double Four Plus 90W Bass Combo's effects loop, clear of Phil Jones BG-80 Double Four Plus 90W Bass Combo's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Boss DD-2 Digital Delay

Keep Boss DD-2 Digital Delay in Phil Jones BG-80 Double Four Plus 90W Bass Combo's effects loop, clear of Phil Jones BG-80 Double Four Plus 90W Bass Combo's own gain stage — goes in the amp's FX loop (or last, into a clean amp)