Extron electronics SM 3 Setup Manual page 2

SM 3 • Setup Guide (Continued)
Mounting to a Wall Box
Install the speaker cables into the wall or conduit before installing the wall box.
1.
Place the wall box against the installation surface, and mark the guidelines for the opening on the wall.
2.
Cut the material from the marked area.
3.
Insert the wall box to check the size of the opening and fit. Enlarge or smooth the edges of the opening if needed.
4.
Feed cables through punch-out holes of the wall box leaving enough slack for the speaker connections and secure them
5.
with cable clamps to provide strain relief.
Insert the wall box into the opening and attach it to the wall or stud, leaving the front edge flush with the outer wall.
6.
To attach a wall box to wood, use four #8 or #10 screws or 10-penny nails. A minimum of 1/2 inch (1.3 cm) of screw
7.
threads must penetrate the wood.
Wall Stud
Speaker
Cables
Cable Clamp
Mounting to a Wall Stud
Install the speaker cables into the wall or conduit before installing the speaker mounting plate.
1.
Locate the wall stud where the mounting plate will be installed and while positioning the mounting plate on the wall
2.
mark the location of two pilot holes using the holes on either side of the mounting plate so that the stud does not
interfere with the speaker wire routing, as shown below.
NOTE: A speaker wire access hole (see below) must also be cut in the wall, so mark that hole location now with the mounting
plate positioned on the wall while ensuring that the wall stud does not interfere with the wire routing and that the
mounting plate hides the access hole.
Drill the mounting plate pilot holes and cut the speaker wire access hole, as previously marked.
3.
Route the speaker cables through the wall without snagging while leaving enough slack to connect the wires to the
4.
mounting plate quick connect contacts.
2
Screws or Nails
Wall opening
flush with
edge of box
Mounting Screws