Originally Posted by joeellistsl

The path of least resistance. The term ohm refers to the electrical resistance. The higher the number, the more resistance there is (i.e. 16 ohm more resistance than 8 ohm, etc.). I am not an electrical guru, so I can't give a more detailed explanation. I would set the value to what the manufacturer recommends, especially if it is still under warrenty. It may not damage your amp, but why take a chance.