Boston Acoustics 251 Speaker User Manual


 
3
Installation Instructions
IMPORTANT: This manual assumes the installer possesses skill in the proper use of hand and
power tools, a knowledge of local building and fire codes, and a familiarity with the environment
behind the wall or ceiling in which the speakers will be installed.
Quantity Description
2 Designer Series Speakers
2 Mounting Bracket
2 Painting Mask
2 Metal Grille
1 Template
1 Owner’s Manual/Installation
Instructions
1 Hardware Package*
Examine the contents of the package and verify that it contains the following:
Loudspeaker Side View Mounting Bracket Mounting Hole
251
261
9
1
2"
(241mm)
9
5
8"
(143mm)
8
3
4"
(223mm)
10
9
16"
(268mm)
10
1
2"
(267mm)
9
7
8
"
(251mm)
6
3
4"
(171mm)
2
5
8"
(67mm)
5
5
8"
(143mm)
5
3
4"
(146mm)
7
3
4"
(197mm)
2
7
8"
(73mm)
6
11
16
"
(170mm)
7
1
8"
(181mm)
Hardware Package* Contents:
Quantity Description
12 8-32 x 2" Screw
2 Cable Clamp–Press-In
* If the hardware package is missing any items or is
not found, additional packages are available from
Boston Acoustics.