The piezoelectric momentum drive principle has been used successfully in several loudspeaker applications. The classic problem has always been coupling to the high impedance driver. A large conical diaphragm helps this situation, however, in a horn with a small throat area, phase cancellations occur. This new horn solves this problem with a throat opening in the shape of thin radial slots which flare open into tapered flutes, eliminating the need for a phase correction plug.

Author: Bost, Jonathan R.
Affiliation: Motorola, Inc., Franklin Park, IL
AES Convention: 49 (September 1974) Paper Number: 977
Publication Date: September 1, 1974 Import into BibTeX
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=2516

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