Pedals that stack with the Hiwatt Leeds AC60

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. (crunchy → mid-forward)

Stack Browne Amplification Gritador on top and a crunchy tone tightens toward mid-forward

Goes in front of the amp

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

Feed a crunchy signal into Analog Man King of Tone and it comes out closer to clean boost

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 AC60 delivers it

Goes in front of the amp

Catalinbread Dirty Little Secret Deluxe's own voicing points at Marshall-style amps, and Hiwatt Leeds AC60 delivers 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.

Run Walrus Audio Fable in Hiwatt Leeds AC60's effects loop, clear of Hiwatt Leeds AC60's own gain stage — 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.

Hiwatt Leeds AC60's own bright character is the real reason this is worth trying

Goes in front of the amp