Pedals that stack with the Fender Rumble 40 Ivory

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

Run Ashdown Geezer Butler Signature into that transparent platform and it finally leans toward low gain

Goes in front of the amp

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

Greer Tomahawk's own bright character is the real reason this is worth trying

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. (transparent → mid-forward)

The transparent tone has headroom to spare — Tone City Model B Distortion TC-T31 leans it toward mid-forward to fill it in

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.

Keep JHS 3 Series Harmonic Tremolo after Fender Rumble 40 Ivory in the signal chain, clear of Fender Rumble 40 Ivory's own gain stage

Goes in front of the amp

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain.

Vox Valvenergy Silk Drive's own smooth character is the real reason this is worth trying

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.

Keep Electro-Harmonix Memory Boy Analog Delay in Fender Rumble 40 Ivory's effects loop, clear of Fender Rumble 40 Ivory'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.

Keep Fender Rumble 40 Ivory's transparent voice out front: Mr. Black Bloodmoon goes in Fender Rumble 40 Ivory's effects loop so its dark 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