3.1 Assembling and installing Dolby Speaker SB218XL
This section provides instructions for assembling and installing an SB218XL.
About this task
The SB218XL is designed to not shift during use when placed directly on a flat and level concrete floor.
Installation on any other surface type may cause the cabinets to shift during use. Should the SB218XL shift
during use, regardless of the surface type it is installed on, it must be secured to the building structure. The
Installer is responsible for inspecting any installation of an unsecured SB218XL to ensure that it does not shift
over time. The Installer assumes all responsibility and liability for the installation of this product.
3.1.1 Securing an SB218XL cabinet
Instructions are provided to install a single SB218XL cabinet. When stacking a second SB218XL speaker on an
installed unit, refer to the link at the end of this section.
About this task
Parts and tools:
• Installer-provided 6 mm hex driver.
• BKT.FLR brackets (not required when installing on the ground).
• Installer-provided serviceable thread-locking compound (recommended).
• Installer-provided acoustic or nonhardening caulking (recommended).
Note: BKT.FLR floor brackets are available from Dolby (sold separately) to secure the speaker system
to the building structure. When using the BKT.FLR brackets, the installer must supply the mounting
hardware necessary to secure the speaker system to the building structure. The holes in the bracket
are sized for M10 or 3/8- inch bolts.
Note: Check with local building codes, and always refer the installation to a qualified professional.
1. Determine the proper placement of the system.
2. Determine if it is necessary to secure the SB218XL to the building structure to prevent the speaker system
from shifting during use.
3. Remove the four M10 bolts from the bottoms side of the SB218XL speaker cabinet, as shown in the
following figure. These bolts are pre-installed in the SB218XL cabinet.
Assembling Dolby Speaker SB218XL
Dolby Speaker SB218XL Owner's Manual
12
Issue 1 Part number: 8800302
3 March 2022
Procedure
