Dynamic Balance: Dynamic Balance is a proprietary Polk Audio
technology using laser imaging to determine what combination of speaker
materials create the least amount of resonance. Eliminating resonance in
speakers results in a wide, smooth response and low distortion.
Woofer Cones: Woven glass composite cones feature tremendous
stiffness-to-mass ratio. Lower mass means faster transients and finer detail.
Butyl Rubber Surrounds: For a smoother response
and improved durability, the woofers use butyl rubber surrounds. The
airtight rubber surrounds stand up to moisture, sunlight and extreme
temperatures while allowing long excursion linear motion and years of reliable
Silk/Polymer Composite Tweeter and Super Tweeter: The speakers feature
1" liquid-cooled, silk/polymer composite tweeters and 3/4" liquid-cooled,
silk/polymer composite super-tweeters for clearer, more accurate mids and highs.
Neodymium Magnets: The speaker's neodymium magnets offer exceptional
strength to performance ratio and are extremely lightweight.
Large Diameter Voice Coils: Large diameter, 30mm voice coils increase
the speaker's reliability and power handling capacity.
Carbon Composite Basket: The speaker's carbon composite basket is
lightweight and will not flex during music audio peaks.
Crossover: The speaker comes supplied with two separate 2-way
crossovers; one for each speaker. Each crossover input 36" lead is terminated
with tinned wire, and the two 20" output leads (one for the woofer and one for
the tweeter) are terminated with female quick-slides. The positive woofer lead
has a 0.250" female quick-slide and the negative woofer lead has a 0.187" female
quick-slide. The positive tweeter lead has a 0.187" female quick-slide and the
negative tweeter lead has a 0.110" female quick-slide. These quick-slides
connect directly to the woofer and tweeter terminals on each speaker. The
separate 2-way crossover network sends the appropriate frequencies to each
driver for cleaner sound and better imaging. Dimensions: width = 3.515", height
= 1.015", depth = 2.555"
Grilles: Strong ABS plastic grilles are included. These computer
optimized grilles feature a spoke-wheel design.
Marine Certified Woofer: Polk MM
Series speakers are built to withstand exposure to moisture and UV rays, so they
work well in boats and cars. They also include stainless mounting hardware for
corrosion and rust resistance.
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