Pedals that stack with the Maxon ST-9 Pro+ Super Tube

Walrus Audio Eons

Into a transparent tone, Walrus Audio Eons brings the low gain it's missing

Fjord Fuzz Berserk

Fjord Fuzz Berserk's fuzzy fills in what this transparent tone doesn't make on its own

Dunlop JD-4S Rotovibe

Put Dunlop JD-4S Rotovibe after Maxon ST-9 Pro+ Super Tube in the signal chain, clear of Maxon ST-9 Pro+ Super Tube's own gain stage

Xotic SP Compressor

Xotic SP Compressor leans toward mid-forward, and that's a real, usable character to pair with

Boss RV-5 Digital Reverb

Run Boss RV-5 Digital Reverb after Maxon ST-9 Pro+ Super Tube in the signal chain, clear of Maxon ST-9 Pro+ Super Tube's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Fender Hammertone Reverb

Run Fender Hammertone Reverb after Maxon ST-9 Pro+ Super Tube in the signal chain, clear of Maxon ST-9 Pro+ Super Tube's own gain stage — goes in the amp's FX loop (or last, into a clean amp)