Acoustic labyrinth

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Acoustic labyrinth is a special loudspeaker baffle arrangement popular in the 1950's used to prevent cavity resonance and to reinforce bass response. The arrangement entailed the rear of the woofer cone being coupled to a folded duct between 6 to 8 feet long. The duct is is lined with sound absorbing material hence inhibiting resonance and absorbing energy from the back of the cone.[1]


  1. White,Glenn D. Louie J, Gary.(2005) The Audio Dictionary. p. 8. ISBN 0295984988

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