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Application Guide - 5
EdgeMax Loudspeaker Performance
75-degree Asymmetric Vercal Coverage Angle
EdgeMax Loudspeaker
Average
Listener
Height
(1.5 m | 5 )
Today, the EdgeMax family includes two horizontal coverage patterns. The EdgeMax EM90
oers 90-degree horizontal coverage and is intended for corner mounting, while the EM180
oers 180-degree horizontal coverage for mounting along the room perimeter.
Since EdgeMax loudspeakers are specifically designed for mounting along corner and wall
locations they benefit from boundary loading to deliver additional low frequency output as
compared to traditional in-ceiling loudspeakers. Similar to surface-mount loudspeakers, the
coverage pattern of EdgeMax will also allow stereo playback for some rooms, when the room
dimensions allow sucient overlap of coverage.
Figure 4. The proprietary Bose PhaseGuide technology delivers controlled high
frequency coverage like a surface‑mount loudspeaker, from an in‑ceiling location.
EdgeMax Loudspeaker Performance
EdgeMax loudspeakers represent the best of both techniques in that they deliver the coverage
of surface-mounted loudspeaker designs, but from a location in the ceiling. These unique
products meet the visual requirements of architects and interior designers, while delivering the
performance benefits of a high quality surface-mounted loudspeaker design.
EdgeMax loudspeakers utilize a two-way system comprised of a compression driver mounted
to a proprietary Bose PhaseGuide structure, and an 8-inch driver mounted in a tuned, ported
enclosure. Uniquely, EdgeMax loudspeakers have an 75-degree asymmetrical vertical coverage
angle and are engineered to be installed in corners or along room perimeters.
EM90 in Corners
E
M
90
EM
90
EM
9
0
E
M
9
0
EM180 along Walls
E
M
1
8
0
E
M
18
0
EM
1
8
0
EM
18
0
Figure 5. EdgeMax EM90 and EM180 mounting locations.
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