Initial 4otF settings... I do use the volume knob on my basses to dial in or out od as needed. Touch-responsive too. I'm usually in 2 or 3rd Gear. 1st for "clean".
First practice with a new group tonight, i we're IEMs... will be able to tweak more. I do run an HPF at the front of my board.
HPF --> envelope (true bypass) --> 4otF --> rest of the board.
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With the drive knob I’ve found that between 1 and 3 is where things really start to happen.