EQs/Signal Change Best Practice aka WTF?

[AZBob1960]

This may be the reference you need:

What's next after an amp?

@HP_Hovercraft is talking about this @gabe if you want to know the logic behind the EQ settings. https://www.talkbass.com/wiki/fender-rumble-500-frequencies/#3-rumble-500-actual-flat-frequencies