Pedals that stack with the Hiwatt Leeds GO40

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

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

Into a high headroom tone, Black Arts Toneworks LSTR Fuzz brings a pull toward fuzzy that's missing

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)

Into a high headroom tone, Browne Amplification Gritador brings a pull toward mid-forward that's missing

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's own voicing points at Marshall-style amps, and Hiwatt Leeds GO40 delivers it

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 → warm)

What SahBro? Audio Ross Kempressor brings here leans toward compressed — that's worth building a pairing around

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 Walrus Audio Fable in Hiwatt Leeds GO40's effects loop, clear of Hiwatt Leeds GO40's own gain stage — 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.

Put Binson Echorec Delay in Hiwatt Leeds GO40's effects loop, clear of Hiwatt Leeds GO40's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop