It normally goes across the + and - in a balanced circuit. Since you are unbalancing it by tying pin 3 to shield, it will electrically be going across the + (pin 2) and ground. Hope that helps. Rick Mauricio Jancic wrote: > Sorry to insist, but the "capacitor" or what ever, should be on the pin > (+) or (-) ? > > Mauricio Jancic > -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.