Amina AIW750i - Manual (Page 10)

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 or natural fibre inside the
cavity to reduce sound transmission
behind the speaker and limit cavity
resonances. This is essential in ceiling
locations where the material will also
prevent debris falling onto the rear of the
speaker over time.
The sound absorbing material 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
material 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