Pedals that stack with the Mad Professor Deep Blue Delay

Dr. Scientist Frazz Dazzler

The transparent tone has headroom to spare — Dr. Scientist Frazz Dazzler gives it low gain to fill it with

JHS Smiley

JHS Smiley's fuzzy fills in what this transparent tone doesn't make on its own

Dunlop JD-4S Rotovibe

Put Dunlop JD-4S Rotovibe after Mad Professor Deep Blue Delay in the signal chain, clear of Mad Professor Deep Blue Delay's own gain stage

EarthQuaker Devices Grand Orbiter

Run EarthQuaker Devices Grand Orbiter after Mad Professor Deep Blue Delay in the signal chain, clear of Mad Professor Deep Blue Delay's own gain stage

Acoustic NUX Optima Air NAI-5

Keep the Deep Blue after the Optima Air — the DI'd acoustic tone stays clean and the simple, dry tape echo trails behind it.

JHS Pedals JHS 3 Series Rotary Chorus

Put Mad Professor Deep Blue Delay after JHS Pedals JHS 3 Series Rotary Chorus in the signal chain, clear of JHS Pedals JHS 3 Series Rotary Chorus's own gain stage

AZOR AP-305 Compressor

Keep Mad Professor Deep Blue Delay after AZOR AP-305 Compressor in the signal chain, clear of AZOR AP-305 Compressor's own gain stage

Walrus Audio Emissary

Run Mad Professor Deep Blue Delay after Walrus Audio Emissary in the signal chain, clear of Walrus Audio Emissary's own gain stage

Strymon Ultraviolet

Put Mad Professor Deep Blue Delay after Strymon Ultraviolet in the signal chain, clear of Strymon Ultraviolet's own gain stage

Xotic RC Booster V2

Keep Xotic RC Booster V2's clean boost voice out front: Mad Professor Deep Blue Delay goes after Xotic RC Booster V2 in the signal chain so its analog warmth voice doesn't muddy it

Keeley Seafoam+

Mad Professor Deep Blue Delay's analog warmth voice goes after Keeley Seafoam+ in the signal chain — it's not there to compete with Keeley Seafoam+'s own modulated character

Electronic Audio Experiments Greathammer

Put Mad Professor Deep Blue Delay after Electronic Audio Experiments Greathammer in the signal chain, clear of Electronic Audio Experiments Greathammer's own gain stage

Xotic RC Booster Classic

Mad Professor Deep Blue Delay's analog warmth voice goes after Xotic RC Booster Classic in the signal chain — it's not there to compete with Xotic RC Booster Classic's own clean boost character