Pedals that stack with the Audiocade Stereo Pendulum Harmonic Panning Tremolo

MXR Distortion+

What MXR Distortion+ brings here leans toward compressed — that's worth building a pairing around

Beetronics Swarm

Beetronics Swarm leans toward fuzzy, and that's a real, usable character to pair with

Carl Martin Headroom

Keep Audiocade Stereo Pendulum Harmonic Panning Tremolo's modulated voice out front: Carl Martin Headroom goes after Audiocade Stereo Pendulum Harmonic Panning Tremolo in the signal chain so its spring voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Crazy Tube Circuits Splash

Run Crazy Tube Circuits Splash after Audiocade Stereo Pendulum Harmonic Panning Tremolo in the signal chain, clear of Audiocade Stereo Pendulum Harmonic Panning Tremolo's own gain stage — goes in the amp's FX loop (or last, into a clean amp)