Pedals that stack with the Hiwatt T20/10

clean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (transparent → fuzzy)

Black Arts Toneworks LSTR Fuzz leans this transparent tone toward fuzzy, which it doesn't make on its own

Goes in front of the amp

clean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (transparent → fuzzy)

Beetronics Swarm leans this transparent tone toward fuzzy, which it doesn't make on its own

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. (transparent → mid-forward)

The transparent tone has headroom to spare — Marshall Guv'nor leans it toward mid-forward to fill it in

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 Electro-Harmonix Bad after Hiwatt T20/10 in the signal chain, clear of Hiwatt T20/10'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.

Wampler Mini Ego 76 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.

Hiwatt T20/10 leans into a clean amp's front end, precisely the platform Dunlop MXR M299 Carbon Copy Mini wants — 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.

Meris Polymoon's modulated voice goes in Hiwatt T20/10's effects loop — it's not there to compete with Hiwatt T20/10's own spring character — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop