Niles Audio IW650FX - Manual (Page 9)

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If you like listening to music in surround modes (which emulate concert hall
acoustics), consider using more than two surround loudspeakers to provide an
extraordinary effect. With StageFront loudspeakers, it is easy to add another pair
without affecting the decor of the room.
If the StageFront FX loudspeaker is being installed in existing construction, please
use the included cardboard template to mark your installation location. Check for
proper clearance within studs or any other obstructions before cutting the speaker
opening. If you are unsure of the correct installation techniques, please consult your
authorized Niles Audio dealer.
NOTE: FOR THIS APPLICATION, YOU WILL NEED TO USE A MORE POWERFUL AMPLIFIER THAN
THE ONE BUILT INTO A TYPICAL SURROUND-SOUND RECEIVER OR AMPLIFIER. NILES MAKES
A NUMBER OF SYSTEMS INTEGRATION AMPLIFIERS WITH PROPRIETARY FEATURES THAT
MAKE THEM UNIQUELY SUITED TO ENHANCE YOUR EXISTING SURROUND-SOUND SYSTEM.
CONSULT YOUR LOCAL NILES DEALER FOR MORE INFORMATION.
THE BOUNDARY EFFECT
Placing a loudspeaker in a corner can powerfully affect the way a listener perceives
bass response. Known as the boundary effect, placing loudspeakers close to
a wall/ceiling boundary or near a corner-wall boundary will emphasize certain
bass frequencies, while canceling others. This effect can make the loudspeaker
sound excessively boomy and inaccurate to some listeners, while to others it
just seems like more bass sound. As a good rule-of-thumb, if you like listening
to your current pair of loudspeakers with the bass turned up, you’ll enjoy corner
placement. However, if you listen with the tone controls at neutral, try keeping the
loudspeakers at least 2 or 3 feet from the boundaries of the room.
Figure 4. Two pairs of loudspeakers
reproduce Dolby Surround EX ® surround
sound in a home theater room.
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