Bose EdgeMax EM180 Design Manual - Page 5

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Bose EdgeMax EM180 Design Manual

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
EdgeMax Loudspeaker
Figure 4. The proprietary Bose PhaseGuide technology delivers controlled high
frequency coverage like a surface-mount loudspeaker, from an in-ceiling location.
Today, the EdgeMax family includes two horizontal coverage patterns The EdgeMax EM90
offers 90-degree horizontal coverage and is intended for corner mounting, while the EM180
offers 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 sufficient overlap of coverage
Average
Listener
Height
(1.5 m | 5 )
EM90 in Corners
EM
90
EM
90
Figure 5. EdgeMax EM90 and EM180 mounting locations.
EdgeMax Loudspeaker Performance
75-degree Asymmetric Ver cal Coverage Angle
EM180 along Walls
EM
90
EM
180
EM
90
EM
180
EM
180
EM
180
Design Guide - 5