Pedals that stack with the Maxon SD-9 Sonic Distortion

JHS Tidewater Tremolo

Keep Maxon SD-9 Sonic Distortion's gritty voice out front: JHS Tidewater Tremolo goes after Maxon SD-9 Sonic Distortion in the signal chain so its modulated voice doesn't muddy it

Caroline Guitar Company Icarus

Caroline Guitar Company Icarus layers clean boost onto an already fuzzy signal

MXR Micro Amp

Run fuzzy into MXR Micro Amp for more clean boost on top

Strymon OB.1 Bass

Strymon OB.1 Bass leans toward clean boost, and that's a real, usable character to pair with

Dunlop - MXR Carbon Copy Deluxe Analog Delay

Keep Dunlop - MXR Carbon Copy Deluxe Analog Delay after Maxon SD-9 Sonic Distortion in the signal chain, clear of Maxon SD-9 Sonic Distortion's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Electro-Harmonix Memory Boy Analog Delay

Electro-Harmonix Memory Boy Analog Delay's modulated voice goes after Maxon SD-9 Sonic Distortion in the signal chain — it's not there to compete with Maxon SD-9 Sonic Distortion's own gritty character — goes in the amp's FX loop (or last, into a clean amp)