Pedals that stack with the Caline CP-509 Stack Attack Preamp/Overdrive/Compressor

Catalinbread Giygas

Catalinbread Giygas's own octave character is the real reason this is worth trying

Electro-Harmonix Big Muff Pi

What Electro-Harmonix Big Muff Pi brings here leans toward fuzzy — that's worth building a pairing around

Alexander Pedals Radical Delay

Keep Alexander Pedals Radical Delay after Caline CP-509 Stack Attack Preamp/Overdrive/Compressor in the signal chain, clear of Caline CP-509 Stack Attack Preamp/Overdrive/Compressor's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Caroline Guitar Company Meteore

Caroline Guitar Company Meteore's pristine voice goes after Caline CP-509 Stack Attack Preamp/Overdrive/Compressor in the signal chain — it's not there to compete with Caline CP-509 Stack Attack Preamp/Overdrive/Compressor's own dynamic character — goes in the amp's FX loop (or last, into a clean amp)