Tweeter: The LSiFX uses the same
Ring Radiator tweeters as the rest of the LSi Series. This produces a seamless
front stage and lifelike surround environment. The
ultra-light woven Ring Radiator Diaphragm delivers flat response, precise detail
and overall accuracy. A High Frequency Waveguide prevents phase cancellations
for smooth, uniform frequency response and wide dispersion. A Low Frequency
Waveguide promotes laminar airflow between chambers to prevent air turbulence.
This feature serves the same function as Power Port for Polk's bass systems.
Basket: The cast aluminum driver baskets resist
flexing and "ringing" for ultra-tight bass and coloration-free
Timbre-Matched: Timbre-matched with the LSi
Series for a seamless, realistic surround sound experience.
Enclosure: The speaker has a triangular shape with the
speaker faces angled at 45 degrees. Both faces have a tweeter and
a woofer and one face also has a switch for selecting Dipole or Bipole
Grille: The open architecture low
diffraction grille is used for spacious imaging.
Power Ports: Dual rear-firing
Power Ports built into the back plate provide distortion-free bass and surprisingly
deep bass response.
Bi-Amplification: Since this
speaker may be bi-amplified, you can improve the sound by using separate amplifiers for the
tweeter and woofers. Note that the jumpers connecting the 2 pair of 5-way binding posts
must be removed when bi-amplifying.
Placement: Designed for use
only as rear surround speakers.
Wall Mounting: The Power Ports
double as convenient wall mounting brackets with key hole slots.
Switch: There is a switch that allows the speaker to be
used as a Dipole (out of phase) or Bipole (in phase) speaker. If you're mounting
the speakers on the side walls in line with your listening position, the dipole
mode will create a diffuse, ambient soundfield. If you're placing
them behind your position, the bipole mode fires the drivers in phase to flood
your room with surround sound. When used with a Dolby Digital system, the
surround speaker setting should be set to small.
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