One Systems OPA-PTB User Manual
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Figure 3b showing Loudspeaker bracket
mounted to the OPALine enclosure
DO NOT SUBSTITUTE MOUNTING LOCATIONS!
NOTE: There are 4 each hex head M10 bolts supplied in the mounting kit of the OPA-
PTB. When mounting the OPALine or OPA-12 enclosure to the OPA-PTB use 4 each of
the 45 mm M10 bolts. Additionally, there is a forged shoulder eyebolt supplied in the
OPA-PTB kit. This eyebolt must be installed in the top, rear center portion of the
OPALine or OPA-12 enclosure. Make sure that the eyebolt is seated on the surface of
the enclosure. The eyebolt is shown below in figure 4.
Figure 4 showing forged shoulder eyebolt installed