Located by itself in the Orange County Hilton’s Dana Point room, half-obscured beyond a display of several luxury cars, Joseph Cali System Design's Gryphon Audio Design System put on a show all its own. That it sounded as good as it did in a hotel space formerly occupied by a hair salonhair salons are hardly prized for their acousticswas a near miracle. Everything from recording studio Gobos and ASC Tube Traps to Vicoustic Diffusers and black draping (covering floor-to-ceiling glass windows) was employed to deliver sound that, if at all bettered at T.H.E.