Pedals that stack with the Marshall Origin 20 Head

pushes an already-dirty tonePushes an already-dirty tone harder and tightens it up. (crunchy → clean boost)

Into the Origin 20's British pedal-platform clean, the King of Tone's transparent boost pushes real crunch.

Goes in front of the amp

pushes an already-dirty tonePushes an already-dirty tone harder and tightens it up. (crunchy → clean boost)

Stack Browne Amplification Carbon on top and a crunchy tone tightens toward clean boost

Goes in front of the amp

pushes an already-dirty tonePushes an already-dirty tone harder and tightens it up. (crunchy → mid-forward)

Stack Catalinbread RAH on top and a crunchy tone tightens toward mid-forward

Goes in front of the amp

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Put Orange Series Phaser after Marshall Origin 20 Head in the signal chain, clear of Marshall Origin 20 Head's own gain stage

Goes in front of the amp

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain.

Marshall Origin 20 Head leans toward crunchy, and that's a real, usable character to pair with

Goes in front of the amp

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Keep Marshall Origin 20 Head's crunchy voice out front: MXR Analog Delay goes in Marshall Origin 20 Head's effects loop so its warm voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Universal Audio Golden Reverberator's spring voice goes in Marshall Origin 20 Head's effects loop — it's not there to compete with Marshall Origin 20 Head's own crunchy character — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop