pioneer center for the performing arts The two channels are dependent on tone and volume controls within the master the main amp. The main volume control works together with volume power over the average person channel that allows for proper gain staging. The tone cut control about the master section does not work inside the pre amp stage but inside power stage in order to achieve added tone shaping control. Whether you desire overdrive or clean, the Vox AC15 can provide it just by tweaking the consumer volume and the master volume for a taste. In the past, I also have used blue tape and assigned students lots by sitting on, but I discover the tape comes off frequently and you also end up wasting prep time re-taping the ground. I then use carpet squares so they can take from the pile and sit on and you also can find these at the carpet store in most cases free of charge. When you'll find empty spaces, I can easily see that's absent. This method saves so much time for I do not will need to go through each attendance list.