Pedals that stack with the Marshall JCM 2000 DSL 100 Dual Super Lead 2-Channel

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

Wampler Plexi Drive leans toward crunchy, and that's a real, usable character to pair with

Goes in front of the amp

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

What EarthQuaker Devices White Light brings here leans toward bright — that's worth building a pairing around

Goes in front of the amp

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

What Catalinbread Dirty Little Secret Mk2 brings here leans toward harmonically rich — 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. (high gain → modulated)

Keep Origin Effects MAGMA57 Amp Vibrato & Drive after Marshall JCM 2000 DSL 100 Dual Super Lead 2-Channel in the signal chain, clear of Marshall JCM 2000 DSL 100 Dual Super Lead 2-Channel's own gain stage

Goes in front of the amp

Put Catalinbread Dirty Little Secret Deluxe in Marshall JCM 2000 DSL 100 Dual Super Lead 2-Channel's effects loop, clear of Marshall JCM 2000 DSL 100 Dual Super Lead 2-Channel'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. (dynamic → compressed)

What Universal Audio 1176 Compressor 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. (high gain → ambient)

Electro-Harmonix Canyon's modulated voice goes in Marshall JCM 2000 DSL 100 Dual Super Lead 2-Channel's effects loop — it's not there to compete with Marshall JCM 2000 DSL 100 Dual Super Lead 2-Channel's own harsh character — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop