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Canton Redesigns Classic Ergo Series

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INDIANAPOLIS (9/9/05) — Canton unveiled its newly redesigned Ergo series of loudspeakers to custom installation professionals and high end retailers at the 2005 CEDIA Expo here today. The new line features completely new drivers and crossover networks incorporating technological advancements developed for the recently introduced Vento line, as well as the most significant improvements in the line’s cabinet design in over 20 years. The Ergo line includes a trio of three-way floorstanders, three compact two-way models, a 2-1/2 way center channel, and a dramatically improved 350 Watt powered subwoofer.

“The Ergo line has long represented the most conservative aspects of Canton’s design philosophy,” remarked Canton’s head designer Frank Gobl. “This marks the most significant evolution the line has seen in the past 20 years, incorporating the lessons learned and new techniques we have developed over the past decade in all aspects of loudspeaker design. The result is the embodiment of classic Ergo sensibilities — just better.”

All of the full range models in the Ergo line employ the newest evolution of the company’s highly regarded ADT-25 aluminum-manganese dome tweeter. The most significant change to the driver from previous versions is the new flared “transmission” style front plate, which delivers improved high frequency dispersion and off-axis linearity, and increases driver efficiency by 2- to 3- dB overall. As with the earlier tweeters in the Ergo line, the revised ADT-25 employs Canton’s signature one-piece aluminum-manganese dome and voice coil former. This arrangement provides superior high frequency performance and heat dissipation when compared to conventional two-piece designs. Additionally, the driver features an improved surround design that leads to reduced distortion and less susceptibility to break-up modes, giving the tweeter an effective operating range that has been extended to 40 kHz.

All of the bass and midrange drivers in the Ergo line feature black anodized aluminum cones for extremely stiff and lightweight response. The wave systems (cone, dust cap, and surround) of the drivers are the same as those developed for the Vento series, including a newly developed sinusoidal surround and improved spider, providing a 30-40% increase in excursion, and 3 dB increase in output.

The new Ergo line also incorporates the most significant change in cabinet design the line has seen in over two decades. The front baffle of all the models now incorporates a gentle curve across the face of the speaker. This design not only enhances the appearance of the series, it also dramatically reduces deleterious edge effects for improved off-axis dispersion characteristics and linear frequency response. Additionally, the floorstanding models in the line now incorporate an additional bottom plate that improves isolation from the floor. The increased structural support of both the baffle and the bottom plate also serves to further reduce cabinet resonance.

Lastly, the three floorstanding models in the Ergo line each employ Canton’s exclusive Displacement Control (DC) technology, which uses a proprietary high-pass filter to prevent signals below the audible frequency range from interfering with the bass driver. In conventional speakers, these signals can generate high levels of unwanted harmonic distortion in the audible lower bass range, causing a muffled or “blatty” tonal quality. DC technology allows the speakers to provide clear, linear bass reproduction at much lower frequencies than could otherwise be attained.

All of the models in the Ergo line are available in the company’s stunning silver lacquer finish, or in real wood veneers of beech, cherry, or black ash. Grills are made of acoustically transparent perforated metal in either black or silver, depending on cabinet finish. All models will be available in October.

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