This paper present the first stage of research "Adaptative Acoustic Prototype-for multifunctional spaces-", developed at the School of Architecture of de University of Santiago de Chile. The main has been to design and build a device of articulated geometry has been developed that allows calibrate the acoustics of the space, depending on users reception needs. The theoretical basis of the proposal is revides from the concept of liquid architecture, which in its foundation seeks to incorpórate dynamic dimensión of time in material condition of spaces. We also examine the variable acoustic term, which deals technically with the verality of sound event in a display of active or passive techniques. Then the research through design metodology is presented, based on the model proposed by Lucien Blessing, which formulates a process from definition of the research criteria until the design and the formal concretion in model construction. Finally, we present the validation design parameters that aim at the continuation of development in a second stage. The objetive will be to model optimize and to improve the transformations of material, spatial and temporal acoustic enviroment, as it has been proposed.