Pedals that stack with the Randall RD100H Diavlo 100W 3-Channel Head

Colorsound Overdriver

Stack Colorsound Overdriver on top and a high gain tone tightens toward clean boost

Xotic EP Booster

Feed a high gain signal into Xotic EP Booster and it comes out closer to clean boost

Suhr Shiba Drive

Stack Suhr Shiba Drive on top and a high gain tone tightens toward mid-forward

Electro-Harmonix Deluxe Electric Mistress

Run Electro-Harmonix Deluxe Electric Mistress after Randall RD100H Diavlo 100W 3-Channel Head in the signal chain, clear of Randall RD100H Diavlo 100W 3-Channel Head's own gain stage

Walrus Audio Fathom

Keep Walrus Audio Fathom in Randall RD100H Diavlo 100W 3-Channel Head's effects loop, clear of Randall RD100H Diavlo 100W 3-Channel Head's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Fender Marine Layer Reverb

Fender Marine Layer Reverb's spring voice goes in Randall RD100H Diavlo 100W 3-Channel Head's effects loop — it's not there to compete with Randall RD100H Diavlo 100W 3-Channel Head's own high gain character — goes in the amp's FX loop (or last, into a clean amp)

Warm Audio Pedal 76 Compressor

What Warm Audio Pedal 76 Compressor brings here leans toward tight — that's worth building a pairing around