Not that it is a problem to me but I am currious about the answer to this question: Can anyone tell why the speaker connection of my amp head is reversed wired: The ground (-) of the amp is connected to the plus (speakon+) of the speaker. The output (+) of the amp is connected to the minus (speakon-) of the speaker. When using jacks this could cause the danger of shortcircuit the output. Only reason I can imagine is an extra 180° phase shift. Any ideas?