Pedals that stack with the Blackstar Series One MK II 4-Channel 100-Watt

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

Stack Z.Vex Super Hard On on top and a saturated tone tightens toward clean boost

Goes in front of the amp

gain stackingStacks two gain stages for more saturation than either produces alone. (mid-forward → fuzzy)

Colorsound Power Boost layers fuzzy onto an already mid-forward signal

Goes in front of the amp

gain stackingStacks two gain stages for more saturation than either produces alone. (mid-forward → fuzzy)

Run mid-forward into Fjord Fuzz Fjaer Spring Reverb for more fuzzy on top

Goes in front of the amp

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

DryBell Unit67 Compressor leans toward compressed, 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. (high gain → modulated)

Put Boss CE-1 Chorus Ensemble after Blackstar Series One MK II 4-Channel 100-Watt in the signal chain, clear of Blackstar Series One MK II 4-Channel 100-Watt's own gain stage

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 Blackstar Series One MK II 4-Channel 100-Watt's saturated voice out front: TC Electronic Triple Flashback Delay goes in Blackstar Series One MK II 4-Channel 100-Watt's effects loop so its tight 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. (high gain → ambient)

Run Walrus Audio Fathom in Blackstar Series One MK II 4-Channel 100-Watt's effects loop, clear of Blackstar Series One MK II 4-Channel 100-Watt's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop