I just watched a very long Youtube video with a guy talking about the proper way to set up your amp. He really focused a lot about how everyone doesn't keep their volume and tone knobs turned all the way up at all times, but should, he really criticized using the knobs because they kill your tone. He says you should leave them alone and make your adjustments on the amp. Me personally I like using the knobs to get the tone I want. Just curious what you guys do.