The tone of the banjo can be affected by the instrument itself as well as your playing style. The placement of your right hand between the bridge and neck (the X and Y positions) can have a big effect on the banjo tone you are producing. As your left hand moves up and down the neck, the movement of your right hand between the bridge and neck will produce different sounds.
Playing near the bridge in the X position will produce a sharper sound. As you move closer to the neck (the Y position) you’ll notice that the tone will get more mellow. In general, if your left hand is playing down the neck, you will play closer to the bridge. As your left hand moves up the neck, your right hand will move closer to the neck. However, you will want to listen to your banjo very carefully to understand the relationship of tone to position and what sounds best.