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4.4 Now connect the speaker cable to the spring
terminals on the side back box, rst looping the
cable around the strain relief bar. The diagram above
illustrates cable connection.
Ensure that the speaker connection polarity is
correct: the cable connected to the positive terminal
on the amplier should be connected to the red
spring terminal on the back box. Similarly, the cable
connected to the negative terminal on the amplier
should be connected to the black spring terminal on
the back box.
Note: If an amplier is already connected to the
cable it should be switched off while connections
are being made to the back box.
4.5 With the back box connected to the cable and its
reservoir box attached it may be inserted into the wall
aperture and cavity. Correct back box orientation must
be established at this stage: the red arrow on the back
box ange should be pointing upwards.
Ensure that the clamps are retracted so that they will
pass through the aperture then feed the reservoir box
into the cavity below (or above) the aperture followed
by the back box itself into the aperture. Take care that
the cable is not trapped. When the reservoir box and
back box are adequately seated in place the clamps
can be tightened. The diagram above illustrates
insertion of the reservoir box and back box.
Finally tighten the two thumbscrews to secure and seal
the reservoir box.
Note: If no reservoir box is tted the back box is
simply inserted straight into the aperture.
4.6 If the back box ange is to be painted it should be
done at this stage. Any conventional, domestic paint
may be applied by brushing, rolling or spraying. Use
the supplied paint mask to avoid getting paint in the
back box cavity. Painting without using the paint mask
risks contamination of the internal connection terminals
or the grille attachment magnets. The diagram above
illustrates painting using the paint mask.
Note: If the grille is to be sprayed this should be
done “off-line” before it is tted.