One Systems PTB-8NP - Manual (Page 3)

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INSTALLATION
The PTB-8NP consists of two parts: the ceiling bracket and the loudspeaker bracket.
The ceiling bracket and loudspeaker bracket are shown below in Figure 1.
Ceiling Bracket Loudspeaker Bracket
Figure 1
The ceiling bracket and loudspeaker bracket are joined together by a hex head M10 bolt
and nylon insert M10 nut assembly. DO NOT remove this M10 bolt and nut assembly.
The combination of the ceiling bracket and loudspeaker bracket should stay assembled
during mounting to the ceiling.
The ceiling bracket is mounted to a ceiling surface using the four (4) holes shown in red
in Figure 2 (below).