Method for producing an acoustical damping unit for an electro-acoustical transducer, acoustical damping unit and electro-acoustical transducer

摘要

In a method for producing an acoustical damping unit, a plurality of bodies, e.g. plastic balls, of predefined sizes are produced and brought together in a desired shape by a 3D printing process. The bodies are arranged such that air can flow through gaps between them, wherein the air can flow through the complete acoustical damping unit. The gaps are interconnected so that the acoustical damping unit is open-pored. An acoustical damping unit in the form of a 3-dimensional body with a desired acoustical damping can be produced by adjusting the size of the bodies, the temperature of the plastic and the speed of application of the plastic bodies.