3-way white single in-ceiling speaker

The UIW RCSIII is intended for use as an in-ceiling front main left, center, or right channel speaker, or as a rear or side surround speaker in custom installed home theater systems. It features a D'Appolito driver array (two 4.5" cast-basket bass/midrange drivers and a 1" pure aluminum dome tweeter) as well as two 5.25 x 4.13"" pressure-coupled planar low bass radiators.

Reference in-ceiling speaker

The UIW RCSIII is an in-ceiling front main, center, or surround speaker for built-in home theater installations. It features two 4.5" cast-basket active drivers and a pure aluminum tweeter on an angled baffle aimed at the listening area. Proprietary Wave Length (patent pending) baffle geometry and acoustic treatment materials serve to create the illusion that the speakers are directly in front of the listener rather than up in the ceiling. The active drivers are pressure-coupled to two 5.25" race-track low-bass radiators for exceptional bass and perfect blending with free-standing or built-in subwoofers.

Optimized performance

Like Definitive Technology's other Reference Architectural Series speakers (IWSub 10/10, IWSub Reference, RLS II and RLS III), the RCSIII has a totally non-resonant sealed medite enclosure, which in this case easily and attractively installs flush into the ceiling in either new or existing construction. It features a D'Appolito driver array angled down and aimed at the listening area as well as two pressure-coupled planar low bass radiators. The precisely configured dual angled baffles incorporate a uniquely effective acoustic treatment which combines a computer-optimized ribbed surface with special dampening panels in order to achieve a linear uncolored sound combined with boxless three-dimensional imaging in which acoustic events seem to effortlessly float in space. In fact, the overall sonic performance of the RCSIII is truly remarkable, combining breath-taking dynamics, engrossing musical subtlety and amazingly spacious imaging that totally belies its in-ceiling configuration.

Lifelike experience

The RCSIII, with its active driver/bass radiator combination, achieves an extended low-frequency respnose, which is deep and dynamic with a smooth and controlled roll-off that allows it to seamlessly blend with a subwoofer with a quality that has never been previously achieved in an in-ceiling system. Of course, Definitive's in-wall UIWSub 10/10 or UIWSub Reference are a perfect complement to the RCSIII for unmatched performance in a stealth home theater.

Renowned for high quality sound

You will get more than you bargained for with the UIWRCSIII speaker. This loudspeaker has been painstakingly engineered to ensure that it achieves the same level of superior sonic performance as Definitive's flagship floor-standing speakers, which are renowned for offering the finest sound quality possible. In addition, their subtle and understated, but beautifully sculpted, upgraded styling will complement any decor. These architectural speakers utilize the same state-of-the-art components and technologies developed for Definitive's top-of-the-line speakers including high-definition cast-basket bass/midrange drivers and pure aluminum dome tweeters. One listen and you will know they are the finest sounding architectural in-wall/in-ceiling and outdoor speakers in the world.

The scoop on cast-basket bass/midrange drivers

Most of Definitive's architectural speakers (except the UIW 63/A and UIW 83/A) utilize Definitive-developed high-definition cast-basket bass/midrange drivers for significant performance advantages in the areas of bass reproduction, lifelike midrange clarity and dynamic range. These sophisticated drivers are engineering marvels which incorporate deeply drawn mineral-filled homopolymer cones, combined with butyl rubber dustcaps and surrounds, high-temperature vented voice coils and massive magnet structures. This combination of features assures high-definition, superb transient response, high-efficiency, high-power handling and extended linear response. In addition, the aerodynamically designed, magnetically inert, non-resonant cast baskets minimize reflections of the sound radiating from the back of the cones and preserve structural and magnetic integrity. The UIWRCSIII speaker utilizes this technology to maximum effect.

Achieving and maintaining sonic purity

A speaker's baffle, as well as the driver/baffle interface, plays a large part in its sonic performance. Diffraction, or the secondary radiation of sound caused by driver and baffle edges and other protrusions and surface anomalies, can color the sound and impart a boxy coloration. The UIWRCSIII speaker is carefully engineered to minimize diffraction problems. In addition, the resonant vibration of a speaker baffle can also impart coloration. Definitive engineers the baffles for maximum stiffness and mold them from a special glass-filled polymer compound in order to eliminate baffle resonance which would otherwise interfere with the pure sound produced by Definitive's high-definition drivers. Finally, a special wall clamping system was designed which uses special high-tension clamps (and more of them) in order to further stiffen the baffle and eliminate unwanted resonance.

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