if i'm reading it right, that supply outputs +/-12v, not +/-15v. >http://www.musicfromouterspace.com/analogsynth/WALLWARTSUPPLY/WALLWARTSUPPLY.php > >Wall Wart Power Supply (+/9V to +/-15V) > >Uses a 9V AC (not DC) wall wart to produce +/1 15V. It's a bare >board; you need to populate it yourself. > >F.