I've noticed that the GT-6B like to clip ALOT, espically with my Modulus 18v preamp. Doesnt do it as bad on passive basses. I've tired running it with no effects at all and it cleans it up a bit but still clips. When I start running effects, espically any wah sounds, it starts to clip. I've adjusted the output level on the back, I've adjusted the effects level, and I've even turned the volume on the bass almost to nothing. I still clip a bit. Ive got it plugged into the head as an "Active" bass. Any ideas or help??