2.1 About this documentation
This documentation describes the key features and benefits of the Dolby DSR1090, provides important
preinstallation information, and shows you how to install the system in a typical cinematic exhibition
environment.
2.2 DSR1090 key features and benefits
The DSR1090 is a compact surround speaker for general-purpose cinematic exhibition that provides several
key features and benefits.
• The 90° horizontal
✕
60° vertical acoustic coverage pattern provides good distribution of audio for small
to medium theaters.
• The advanced input plate features a high-current, spring-loaded terminal block that enables quick
installation without the need for spade lugs or a crimping tool.
• The high-frequency driver is a low-distortion 25.4 mm high-temperature polymer dome with a frequency
response up to 20 kHz.
• The low-frequency driver is a 10-inch transducer with a finite element modeling (FEM) optimized motor
and suspension, optimized cooling for low power compression, and a high excursion rating.
• An industry-standard four-hole mounting point on the rear of the enclosure allows for simplified and
flexible mounting solutions.
• Holes on the sides of the speaker cabinet are provided for installation of a mounting yoke.
2.3 DSR1090 preinstallation information
In a typical auditorium, the DSR1090 is installed in various locations throughout the auditorium, including
possible locations on side and rear walls, and overhead locations. Information is provided on the placement
of the DSR1090 in a standard auditorium and in a Dolby Atmos auditorium.
Figure 2: Standard Dolby Surround installation example (5.1/7/1)
Introduction to the Dolby DSR1090 Speaker
Dolby DSR1090 Owner's Manual
8
Issue 1 Part number: 8800304
16 October 2022
