The Resonator Components

  • Giuseppe CuzzucoliEmail author
  • Mario Garrone


This chapter presents the three main components forming the resonator of the guitar. The first one is the Helmholtz resonator; additionally, the various cavity air modes and their phase relationship are discussed, presenting a simple method to approach them mathematically and to measure in practice. Some data on modern and historic guitars going back 150 years are given, and the effect of the tornavoz is introduced. The modes of the top table and the back are presented and typical values of frequency are given. The modes of the guitar table are modelled using the finite element method, contrasting them with the modes of a simple rectangular plate. The transversal stiffness due to the braces of the back results in the modal shapes obtained via the FEM model.

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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Pianezza, TurinItaly
  2. 2.Acqui TermeItaly

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