Pedals that stack with the NuX Melvin Lee Davis Bass Preamp

Electro-Harmonix Crayon leans toward bright, and that's a real, usable character to pair with

Comes earlier in the signal chain

Ibanez Pentatone Preamp leans toward saturated, and that's a real, usable character to pair with

Run Electro-Harmonix Electric Mistress after NuX Melvin Lee Davis Bass Preamp in the signal chain, clear of NuX Melvin Lee Davis Bass Preamp's own gain stage

Comes earlier in the signal chain

Ashdown Studio Compressor's own compressed character is the real reason this is worth trying

Comes earlier in the signal chain

Keep Empress Echosystem after NuX Melvin Lee Davis Bass Preamp in the signal chain, clear of NuX Melvin Lee Davis Bass Preamp's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Keep NuX Melvin Lee Davis Bass Preamp's smooth voice out front: Alexander Pedals Radical Delay goes after NuX Melvin Lee Davis Bass Preamp in the signal chain so its pristine voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain