Cavity installation with fixing blocks
continued...
03
04
Install speaker cable and insert insulation
Ensure all speaker cables are pulled
through to the speaker location with plenty
of slack. This will make it easier to connect
the cable to the speaker later on in the
installation process.
It is recommended to add sound absorbing
mineral wool inside the cavity to reduce
sound transmission behind the speaker and
limit cavity resonances. This is essential in
ceiling locations where the mineral wool
will also prevent debris falling onto the
rear of the speaker over time.
The mineral wool can rest against the back
of the speaker but not so much as to put
pressure on the panel.
Ensure the speaker cable is laid behind the
mineral wool and can not rest against the
rear of the panel.
Attach mounting blocks (x4 per speaker)
Position a fixing block under the
plasterboard at each corner of the
aperture. Fasten the thicker section of
the fixing blocks to the underside of the
plasterboard using two drywall screws
secured through the front face of the
plasterboard.
NB: ensure there is no gap between the
fixing block and the sawn edge of the
plasterboard aperture.
Important: The fixing blocks are designed
for 12.5mm (1/2”) plasterboard (1/2” and
5/8” in North American markets).
Please contact your supplier if you require
fixings for an alternative plasterboard
thickness.
03
04
drywall screws
06
A1
