Installing the Closed-back Ceiling Speakers
7
Strain relief screw
Horizontal screw
Hold down screw
Wires opening
Terminal block
Figure 4: Plugging and Securing the Cables
8. Tighten the strain relief fitting, if plenum cable
1
is used:
Slide the wiring through the strain relief on the terminal cover plate
Hold the strain relief fitting tight around the cable
Tighten the strain relief screws first and then the horizontal screw
2
9. Push the speaker into the ceiling hole until the front baffle rim is leveled
with the ceiling.
10. Tighten the mounting tabs by turning the screw clockwise
3
(see Figure 5).
When tightening the mounting tabs, the tabs automatically turn outward,
thus clamping the speaker to the wall from its rear side.
Note
: Do not over-tighten the screws. It may cause damage to both the
speakers and the surface.
Figure 5: Tighten the Mounting Tabs
1 If other types of cables are used, an alternate conduit fitting can be used by removing the existing fitting and replacing with
an alternate one
2 In cases of an insulated speaker wire and plenum cable, it is often possible to provide acceptable strain relief force simply
by tightening the strain relief screws onto the terminal cover plate
3 The first quarter turn, rotates the tab outwards, and the following turns the tabs tighten to the rear side of the ceiling surface