EN
Attaching the Feet
Locate the four M6 attachment points on the bottom of the sub. Consult the following illustrations and pay careful attention
to which attachment points are correct.
Installation Options
The AD-S28Tw has been designed for installation flexibility. The subwoofer may be mounted using a number of different
suspension techniques, as well as being easily shelf or floor mounted. The QSC logo on the grille is rotatable to accommo-
date horizontal or vertical orientation. While low frequency products do not have directional dispersion characteristics, all of
the sonic energy produced by this subwoofer exits the cabinet through the port due to the ported bandpass design. For that
reason, the port (located behind the grille)
MUST NOT
be physically blocked by anything, and should not be placed within
12 inches of any objects larger than 3 to 4 inches (75 to 100 mm).
When the subwoofer is floor or shelf standing it is recommended that the rubber feet be attached.
For suspended installations, the enclosure can be attached with flypoints or the included yoke bracket. The enclosure can be
oriented in multiple positions when suspended:
Remove the screws from the selected attachment points using a #2 Phillips-head screw driver or electric driver. Remove only
the four screws for the attachment of the feet.
DO NOT REMOVE ANY OTHER SCREWS.
If a screw hole is left open, it
will create an airleak which will cause noise and compromise the performance of the cabinet.
Screw the rubber feet into the attachment point. It should not require significant force to rotate the foot if the threads are
properly engaged. If the foot is not screwing in easily, remove it and engage it in the threads again.
Do not use any tools when installing the feet. The rubber may be damaged if a tool is used.
Continue rotating the foot until it makes contact with the cabinet. Only hand generated force is necessary to properly seal
the hole and keep the foot screwed in.
Once the feet are attached, place the subwoofer in the desired location.
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