Pedals that stack with the Catalinbread Formula 55

Keeley Mesmer

Where this leans dark, Catalinbread Formula 55 answers back bright — goes in the amp's FX loop (or last, into a clean amp)

Strymon Fairfax Preamp

Catalinbread Formula 55's bright balances out the warm tone

Maxon AD-999

Catalinbread Formula 55 leans bright right where the warm tone needs it — goes in the amp's FX loop (or last, into a clean amp)

TC Electronic VPD-1 Vintage Pre-Drive

Catalinbread Formula 55's bright balances out the warm tone

JAM Pedals RetroVibe mk.2

Catalinbread Formula 55 leans bright right where the warm tone needs it

Keeley Angry Orange 4-in-1 Distortion and Fuzz

Catalinbread Formula 55 leans bright right where the warm tone needs it

Tone City Black Tea

Where this leans warm, Catalinbread Formula 55 answers back bright

NUX Steel Singer

Where this leans warm, Catalinbread Formula 55 answers back bright

ThorpyFX The Old Timer

Run Catalinbread Formula 55 after it and the warm edge settles into something more bright

Tone City Mandragora

Where this leans warm, Catalinbread Formula 55 answers back bright

Keeley Dark Side V2

Where this leans dark, Catalinbread Formula 55 answers back bright — goes in the amp's FX loop (or last, into a clean amp)

Death By Audio Micro Dream

Where this leans warm, Catalinbread Formula 55 answers back bright — goes in the amp's FX loop (or last, into a clean amp)

Spaceman Aurora Analog Flanger

Run Catalinbread Formula 55 after it and the warm edge settles into something more bright

Vox Valvenergy Silk Drive

Vox Valvenergy Silk Drive leans toward smooth, and that's a real, usable character to pair with

Tone City King of Blues

Catalinbread Formula 55's bright balances out the warm tone

One Control Anodized Brown Distortion

Run Catalinbread Formula 55 after it and the warm edge settles into something more bright

Universal Audio Lion

Catalinbread Formula 55 leans bright right where the warm tone needs it

Boss DD-3 Digital Delay

The DD-3's clear, warm digital repeats trail the Formula 55's bright, tweed-amp bloom into a defined echo. — goes in the amp's FX loop (or last, into a clean amp)

Eventide Modulated Delay

Put the Modulated Delay after the Formula 55 — its sagging, bloomy breakup stays intact while the delay adds its own warmth and wobble behind it. — goes in the amp's FX loop (or last, into a clean amp)