Pedals that stack with the Blackstar HT Studio 20H

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (bright → smooth)

Xotic BB Preamp's smooth balances out the bright tone

Goes in front of the amp

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

Into the HT Studio 20H's sparkling, high-gain clean, the King of Tone's transparent boost pushes real saturation.

Goes in front of the amp

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

Blackstar HT Studio 20H leans into Marshall-style amps, precisely the platform Wampler Plexi Drive wants

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 Strymon Zelzah -Dimensional Phaser after Blackstar HT Studio 20H in the signal chain, clear of Blackstar HT Studio 20H's own gain stage

Goes in front of the amp

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (bright → smooth)

MXR CSP204 Custom Comp Deluxe's own smooth character is the real reason this is worth trying

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.

Suhr Discovery's warm voice goes in Blackstar HT Studio 20H's effects loop — it's not there to compete with Blackstar HT Studio 20H's own transparent character — 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.

Run Strymon TimeLine in Blackstar HT Studio 20H's effects loop, clear of Blackstar HT Studio 20H's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop