Pedals that stack with the Marshall ST112 JTM 1x12 Cabinet

Catalinbread Dirty Little Secret Mk2 leans toward harmonically rich, and that's a real, usable character to pair with

Goes in front of the amp

What Catalinbread Dirty Little Secret MKI brings here leans toward dynamic — that's worth building a pairing around

Goes in front of the amp

Catalinbread Sabbra Cadabra 10 Red leans toward bright, and that's a real, usable character to pair with

Goes in front of the amp

Run Caroline Guitar Company Somersault after Marshall ST112 JTM 1x12 Cabinet in the signal chain, clear of Marshall ST112 JTM 1x12 Cabinet's own gain stage

Goes in front of the amp

Keep Marshall ST112 JTM 1x12 Cabinet's full voice out front: Dunlop - MXR Carbon Copy Deluxe Analog Delay goes in Marshall ST112 JTM 1x12 Cabinet's effects loop so its analog warmth voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop

Keep Empress Echosystem in Marshall ST112 JTM 1x12 Cabinet's effects loop, clear of Marshall ST112 JTM 1x12 Cabinet's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop

Marshall ST112 JTM 1x12 Cabinet's own full character is the real reason this is worth trying

Goes in front of the amp