Bowers & Wilkins 800 Diamond Installation Manual page 6

Using the TORX driver supplied in the accessory kit,
unscrew and remove the four roller-glides as illustrated
above. Retain the roller-glides for use should the
speaker be moved and re-installed in the future. Once
the roller-glides have been removed the supplied
adjustable feet may be fitted in their place.
The adjustable feet incorporate a floor spike at one end
and a rubber pad at the other end and can be installed
with either towards the floor. The spikes are designed
to pierce carpet and rest on the floor beneath, both to
protect the carpet from indentation and to provide the
speaker with a solid foundation. We recommend for
optimum performance that the spikes are used but if
the nature of the floor precludes their use they can be
reversed to present rubber pads to the floor.
Note: Spike feet can still be used on delicate non-
carpeted floors by standing the spikes on coins.
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The adjustable feet are attached to the underside
of the speaker via conical threaded bosses that can
be fitted in either a protruding or in-set orientation to
provide height adjustment, see illustrations above. The
height adjustment enables the speaker to be installed
with up to 8º downward or upward tilt if required by
fitting the bosses the opposite way round front and
rear. If you do not intend to tilt the speakers fit all the
bosses in-set.
Screw the feet into the bosses, with the spikes or the
rubber pads exposed as desired, leaving just enough
thread to fit the locking rings. Fit, but do not tighten,
the locking rings.
With the adjustable feet fitted the speaker can be
carefully returned upright. Take care not to allow the
entire weight of the speaker to rest at an angle on one
or two feet as it is turned. Also take care that careless
handling of the speaker with spikes fitted does not
cause injury.
Once the speaker is upright, adjust the feet using the
tommy-bar supplied to give the amount of tilt required
and to take up any rocking as illustrated above. Finally,
tighten the locking ring against the boss, again using
the tommy-bar as illustrated above.