Pedals that stack with the Supro 1933R Royale 50W 2x12 Combo

Xotic RC Booster

Xotic RC Booster's own transparent character is the real reason this is worth trying

Electro-Harmonix Big Muff Pi

Electro-Harmonix Big Muff Pi's own fuzzy character is the real reason this is worth trying

Fulltone OCD

Fulltone OCD's own full character is the real reason this is worth trying

Caroline Guitar Company Somersault

Caroline Guitar Company Somersault's modulated voice goes after Supro 1933R Royale 50W 2x12 Combo in the signal chain — it's not there to compete with Supro 1933R Royale 50W 2x12 Combo's own gritty character

Boss DM-2 Delay

Boss DM-2 Delay's analog warmth voice goes in Supro 1933R Royale 50W 2x12 Combo's effects loop — it's not there to compete with Supro 1933R Royale 50W 2x12 Combo's own gritty character — goes in the amp's FX loop (or last, into a clean amp)

Carl Martin DeLayla XL

Keep Supro 1933R Royale 50W 2x12 Combo's gritty voice out front: Carl Martin DeLayla XL goes in Supro 1933R Royale 50W 2x12 Combo's effects loop so its analog warmth voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Walrus Audio Mira

Walrus Audio Mira's own analog warmth character is the real reason this is worth trying