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Application Guide - 3
EdgeMax Loudspeaker Overview
EdgeMax Loudspeaker Overview
Comparison of In-Ceiling and Surface Mounted Loudspeaker Performance
Traditional in-ceiling loudspeaker designs are preferred in many cases as loudspeakers easily
blend into the environment due to their mounting location and flush appearance. Because in-
ceiling loudspeakers oer the best aesthetics they are the most common type of design for a
variety of applications.
However, many in-ceiling loudspeakers utilize a single transducer and deliver a conical
coverage pattern with a stated coverage angle, e.g. 120-degrees conical. This coverage angle,
however, is not representative for the higher frequencies, which is narrower, resulting in a
significant reduction in high frequency energy as you move o axis from the loudspeaker
location.
This design guide covers topics related to EdgeMax™ loudspeakers, and their use in specific
applications. Designed for in-ceiling mounting near wall-ceiling boundaries, EdgeMax
loudspeakers provide improved audio quality and coverage, while reducing the number
of required units, compared to conventional dome-tweeter ceiling speakers. EdgeMax
loudspeakers feature proprietary Bose® PhaseGuide® technology that combines the
room-filling coverage patterns typical of larger surface-mount speakers with the architect-
preferred aesthetics of in-ceiling models.
Conical Ceiling Loudspeaker
Average
Listener
Height
(1.5 m | 5 )
Published Coverage Angle
High Frequency Coverage Angle
Figure 1. Comparison between the published and typical high frequency coverage angles
for an in‑ceiling conical dispersion loudspeaker. Note that the shaded section represents the
area where a balanced frequency response will be delivered.
About
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