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3.0 Before You Begin

3.1

Evaluate the ceiling construction BEFORE beginning installation. Ceiling type,

thickness, and strength determine the installation and connection methods as

well as the necessity of support rails. A qualified person, such as a building trade

professional, architect, or licensed professional engineer, should make these

determinations.

Bracket installation

This guide covers installation methods for both ceiling tile and structural ceilings.

Structural ceilings – Follow the instructions for structural ceilings.

Soft ceiling tiles – If the tiles are made of a "soft" material (like mineral wool or

glass fiber), follow the instructions for ceiling tiles. This will provide extra support.

Rigid ceiling tiles – If the tiles are made of particle board, plywood, gypsum board

or plaster, follow the instructions for ceiling tiles. Or, follow the instructions for

structural ceilings. However, the tiles must be strong enough to support the

loudspeaker without the help of the support rails. See "Support rails" below for

more information.

Support rails

Not all ceilings require the use of the support rails. Only a qualified person, such

as a building trade professional, architect, or licensed professional engineer,

should determine if a ceiling alone is strong enough to support the loudspeakers.

Ceiling tiles – Use the support rails with any ceiling tile made of mineral wool,

fiberglass, or other fibrous material. These tiles do not remain flat, may absorb

moisture, and may not always support the loudspeaker's weight.

The support rails are 23

" (603 mm) long and will support a loudspeaker in a 2'

x 4' or smaller tile. If the ceiling tiles are another size, the support rails will usually

provide adequate support if they meet the edge of the tile on at least two sides.

Follow these guidelines:

For 600 mm tiles, place the mounting pans and support rails at a 10 –15 angle

(Figure 2).

AM177915_03_V.pdf • May 6, 2002