Sound United’s Polk Audio speaker brand introduced Tuesday its latest high-performance Reserve Series loudspeaker series for music, movie and gaming applications.

Polk said the 9-model Reserve Series was designed for high-performance at value prices, using advanced materials and acoustic engineering.

The series is certified for IMAX Enhanced and Hi-Res Audio compatibility and is excellent for 3D audio setups supporting both Dolby Atmos and DTS:X immersive audio presentations.

The Polk Reserve Series models, which are available from Polk-authorized retailers and A/V installers now, are available in matte black, matte white and walnut woodgrain finishes.

“The Reserve Series use the same custom-made transducers originally developed for Polk’s award-winning Legend Series loudspeakers,” stated Frank Sterns, Polk Audio president.

The series features proprietary Pinnacle Tweeters, a Turbine Cone midrange and Polk’s latest bass-management and resonance control technologies—PowerPort and X-Port, the company said.

The series consists three floorstanding models, three center channels, two bookshelf speakers and a wall-and speaker-mountable height module. Each is designed for flexibility in room configuration with matching transducers and consistent voicing, according to Polk.

The center channel speakers are available in three sizes. The R300 center will fit in most AV cabinets; the R350 measures just 5.5-inches tall, and the R400 is wall mountable making it equally suitable for left, right or center channel placement applications.

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The R900 is billed as a height module, which can be placed on top of the floorstanding speakers or wall mounted. It includes a toggle switch, which tunes the speaker for the appropriate placement application — on-speaker or wall mounted.

“While Reserve does use the same transducers as Legend, it also features multiple new developments of its own, including a new patent-pending X-Port filter and advanced cabinet construction to minimize undesirable resonances,” said Scott Orth, director of audio and acoustical systems at Polk Audio. “In return, you get a classic Polk Audio loudspeaker that is amazingly balanced, offers an expansive sound stage, detailed imaging, smooth mid-range and deep effortless bass.”

The speakers use rigid, internally braced cabinets that leverage driver and port technologies from the Legend Series speakers for optimal balance and realism, the company said.

Key Reserve Series loudspeaker components include the following:

Pinnacle Ring Radiator Tweeters: New 1-inch, high-definition Pinnacle ring radiator tweeters feature a finely tuned waveguide that improves high frequency energy dispersion to present a broad sweet spot, the company said. A damped rear-chamber is used to defeat unwanted resonances. High tones are said to be ultra-clear and crisp without unwanted coloration or distortion. The Hi-Res certified driver is equally adept at two-channel and multi-channel 3D audio applications.

Turbine Cone Midrange: Polk said this uses a proprietary foam core driver design with molded Turbine geometry, to increase stiffness and damping without adding mass. The result is a smooth, detailed midrange across the frequency range to which human ears are most sensitive.

X-Port Technology: This makes its debut in all vented models in the Reserve Series to eliminate unwanted cabinet and port resonance using a set of precisely tuned, closed-pipe absorbers. X-Port is said to be most beneficial in the lower mid-range, where it helps maintain balanced, clean mid-bass with detail and dynamics.

Power Port 2.0 Design: This port application is used in the R600 and R700 floorstanding models to enable more deeply extended and louder bass frequencies than traditional ported speakers. The Power Port 2.0 combines the new X-Port and Enhanced Power Port design into one loudspeaker application. The port tube base was redesigned in aluminum and sits closer to the floor than previous Power Port designs for added performance characteristics and aesthetics, the company said.

Advanced Cabinet Construction: The R700 tower speaker model features advanced point-to-point bracing with new Cabinet Resonance Control technology (CRC) that eliminates panel resonances for enhanced detail and clarity.

Suggested retail pricing is as follows:

• R100 Bookshelf – $599/pair
• R200 Bookshelf – $699/pair
• R300 Center Channel – $399
• R350 Center Channel (slim) – $549
• R400 Center Channel – $599
• R500 Tower – $599 each
• R600 Tower – $799 each
• R700 Tower – $999 each
• R900 Height Module – $599/pair

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By Greg Tarr

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