Previous work has demonstrated that a vertically symmetrical arrangement of three loudspeaker drivers in a two-way configuration (also know as (3,2) or D'Appolito configuration) results in a system that is free of lobing error and polar axis tilt. In this paper it is shown that typical (3,2) systems exhibit off-axis response irregularities which are not predicted by a simple lobing error analysis. Additional analysis leads to new constraints to prevent such off-axis irregularities.
Affiliation: mfk design+consulting, Circle Pines, USA
AES Convention: 100 (May 1996) Paper Number: 4186
Publication Date: May 1, 1996
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