Pedals that stack with the Engl E670FE Special Edition 6L6

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

MXR Micro Amp takes that high gain character and pushes it toward clean boost

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. (warm → bright)

Paul Cochrane Timmy leans bright right where the warm tone needs it

Goes in front of the amp

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

Feed a high gain signal into Boss BD-2 Blues Driver 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. (high gain → lush)

Keep Electro-Harmonix Small Stone after Engl E670FE Special Edition 6L6 in the signal chain, clear of Engl E670FE Special Edition 6L6'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.

Crazy Tube Circuits Golden Ratio's own tight 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. (high gain → ambient)

Put TC Electronic Hall of Fame 2 in Engl E670FE Special Edition 6L6's effects loop, clear of Engl E670FE Special Edition 6L6'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. (high gain → slapback)

Put MXR Analog Delay in Engl E670FE Special Edition 6L6's effects loop, clear of Engl E670FE Special Edition 6L6's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop