Also, just so you know, I don't really use the graphic EQ. I have the amps EQ flat, always, and when i need a tiny extra bit of whatever, I add it with the graphic, but as I say subtlety is the key. Also, why would you remove below 60Hz? Are you talking for recording purposes or in a live setting? I only ask because you will find that most bass cabinets are tuned so that they begin to roll off below 40Hz, this is because 40Hz is the first harmonic on the E string I believe.