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The Reserve R700 is Polk's flagship floorstanding tower, a three-way design built around the 1-inch Pinnacle ring radiator tweeter borrowed from the Legend series, a 6.5-inch Turbine midrange cone and dual 8-inch woofers. Power Port 2.0, which pairs the original Power Port with the patent-pending X-Port, is the headline for bass: Polk claims deeper, cleaner low end with less port chuffing than a conventional slot. The cabinet is slim and furniture-like, aimed at people who want towers that disappear into a living room. Against rivals at this tier it leans on driver trickle-down and bass technology rather than room correction or powered features, so it rewards a decent amplifier and some placement care.
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Lowest price we've seen: $2,398.00 on Nov 13 at World Wide Stereo. Tracked across 1 store since Nov 13.
Owners and reviewers treat the R700 as a strong value flagship tower, praising its clean highs, articulate midrange and surprisingly deep bass for the cabinet size. Most criticism centers on placement sensitivity and the amplifier power needed to get the most from the dual woofers.
The Polk Audio Reserve R700 is a floorstanding stereo speaker, sold as a pair. It uses a 1-inch Pinnacle ring radiator tweeter, a 6.5-inch Turbine cone and dual 8-inch woofers. The same Pinnacle tweeter is used in Polk's Legend series.
The tweeter has a waveguide that improves dispersion of high-frequency sound for a broad sweet spot. Its damped rear chamber reduces unwanted resonances. For bass, Power Port 2.0 combines Polk's Power Port, which smooths airflow out of the cabinet, with X-Port, which adds closed-pipe absorbers tuned to cabinet and port resonances. Together they are meant to reduce turbulence and port noise.
The cabinets were designed using a Laser Doppler Vibrometer. They have point-to-point bracing and individual enclosures for the mid- and low-frequency transducers. Cabinet Resonance Control (CRC) works to eliminate panel resonances.
