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Sunday, October 6 9:00 am – 12:00 noon
W4: LARGE SIGNAL LOUDSPEAKER PARAMETER MEASUREMENT
Chair
: John Stewart, Harman
Panelists:
Doug Button, JBL Professional
David Clark, DLC Design
Earl Geddes, GedLee Associates
Steve Hutt, Harman/Becker Automotive Systems, Inc.
Wolfgang Klippel, Klippel GmbH
Steve Temme, Listen, Inc.
Alex Voishvillo, Cerwin Vega, Inc.
Summary:
This workshop presents measurement methods used to characterize loudspeaker performance at large signal levels. A brief discussion of each technique; how it evolved, what benefit it brings, etc. will be followed by a demonstration of the technique where possible. The discussion will include: High power impedance measurement, Xmax, Model parameter nonlinearities, Flux modulation, Harmonic Distortion, Maximum SPL, and Power compression.

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