Loudspeaker voice coil suspensions (referred to as spiders) are traditionally made of phenolic resin impregnated textiles. The spider's function is to maintain voice coil centering in the magnetic gap, while at the same time allowing axial motion of the voice coil. Several types of spiders were compared with differing geometry and materials, with the goal of developing a spider with potentially long-linear excursion.:

Author: Hutt, Steven
Affiliation: Senior Transducer Engineer, Harman OEM Group North America and Asia, USA
AES Convention: 108 (February 2000) Paper Number: 5159
Publication Date: February 1, 2000
Subject: Transducers

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