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Consumer Electronics by S. P. Bali

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ELECTRICAL, MECHANICAL AND ACOUSTICAL ANALOGS

Any acoustical system can be represented in terms of an equivalent electrical or mechanical system. This is shown in Fig. 2.27.

The physicist freely uses these equivalents in setting up his mathematical approach in analysing a given system. For example, the effect of a cabinet on the functioning of a loudspeaker is clarified by thinking of the air in the enclosed space as acting like a capacitor in an electrical circuit, absorbing and giving up the energy imparted by the cone movements.

 

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Fig. 2.27 The three basic elements of electrical system and their analogs in mechanical and acoustical systems. ...

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