Pedals that stack with the Orange Guitar Butler Dual-Channel Preamp

EarthQuaker Devices Dirt Transmitter

Put EarthQuaker Devices Dirt Transmitter in front and the mid-forward tone leans further toward fuzzy

Fjord Fuzz Berserk

Fjord Fuzz Berserk stacks fuzzy on top of the mid-forward already here

Electro-Harmonix Bad

Keep Orange Guitar Butler Dual-Channel Preamp's mid-forward voice out front: Electro-Harmonix Bad goes after Orange Guitar Butler Dual-Channel Preamp in the signal chain so its low gain voice doesn't muddy it

Wren and Cuff Gold Comp

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

Alexander Pedals SpaceXpander

Alexander Pedals SpaceXpander's spring voice goes after Orange Guitar Butler Dual-Channel Preamp in the signal chain — it's not there to compete with Orange Guitar Butler Dual-Channel Preamp's own mid-forward character — goes in the amp's FX loop (or last, into a clean amp)

Red Witch Titan

Run Red Witch Titan after Orange Guitar Butler Dual-Channel Preamp in the signal chain, clear of Orange Guitar Butler Dual-Channel Preamp's own gain stage — goes in the amp's FX loop (or last, into a clean amp)