TOOLS AND PRECAUTIONS
We recommend using the following tools to install an HDFX loudspeaker:
• Electric drill with 1/4- and 1/2-inch drill bits, and a 1-inch flat drill bit
(for drilling through studs)
• Keyhole or drywall saw
• Stiff wire, fish tape, or glow rods (for routing cables)
• Phillips screwdriver set
• Cable ties
• Pencil
• Level
• Rubber gloves and protective eyewear
Before starting the installation, please observe the following precautions:
• Turn off all system power before making any connections.
• Always wear protective eyewear when using tools.
• Make sure hands are clean before installation.
• Wear gloves when working with fiberglass insulation.
RECOMMENDED AMPLIFIER POWER
For satisfactory performance, we recommend using a surround amplifi er with a power rating of
10 to 150 watts. Curiously, most loudspeakers are not damaged by large amplifi ers, but rather
by small amplifi ers. If your system is playing loud music, a small amplifi er will run out of power
very quickly and can create damaging “clipping” distortions. A more powerful amplifi er will play at
the same volume without distorting. See OPERATION on page 22 for more information about
amplifi er clipping distortion.
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