The complex La Dehesa is a multipurpose building with a residential, commercial and cultural program, located in La Dehesa, Santiago de Chile. For the performance hall positioned in its basement with capacity for 270 spectators, the complete theater architecture and stage design project was carried out. Theater equipment was added for sets and stage lighting and acoustic conditioning for singing and symphonic orchestra. The areas of technical and artistic support and an isoptic study for optimal sightlines of the audience were also projected.