Pedals that stack with the Hiwatt TB20/10 MkIV Head

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

Beetronics Swarm leans this high headroom 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. (high headroom → mid-forward)

Run Univox Super-Fuzz into that high headroom platform and it finally leans toward mid-forward

Goes in front of the amp

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

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

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.

Origin Effects MAGMA57 Amp Vibrato & Drive is voiced for Marshall-style amps — Hiwatt TB20/10 MkIV Head gives it exactly that

Goes in front of the amp

Hiwatt TB20/10 MkIV Head leans into Marshall-style amps, precisely the platform Catalinbread Dirty Little Secret Deluxe wants — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (high headroom → compressed)

Universal Audio 1176 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 TB20/10 MkIV Head 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