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Terra’s AC.17e High-Performance All-Weather Speaker

The new AC.17e by Terra Loudspeakers is a three-driver, two-way system featuring dual 6.5-inch ACAD cast frame woofers and a 1.1-inch inverted Titanium dome tweeter, housed in a dense, rotationally-molded UniCavity polypropylene-sealed enclosure.

Like all Terra speakers, the system is capable of withstanding direct exposure to all types of weather and may even be installed on sea-going vessels. Every component part has been designed to remain rust and corrosion free as evidenced by the company’s Limited Lifetime Warranty policy.

AC.17e integrates well when combined with Terra’s dynamic AC.SUB outdoor subwoofer, creating an impressive outdoor hi-fi or the basis for an all-weather home theater. All Terra speakers feature Location Balanced Sound incorporating built-in mid-bass boundary compensation, which means they are sonically balanced for the location in which they will generally be mounted. In addition, since these types of speakers are usually listened to off-axis and at lower volume levels, particular attention has been paid to providing smooth yet detailed and extended HF response with quality dispersion.

Also featured is the company’s Magnetic Fluid Centering System (MCFS), which is designed to eliminate the typical woofer “spider” and its associated limitations. The spider has been replaced with specially developed magnetic fluid that provides the centering force required by the driver while delivering lower distortion and reduced dynamic restriction of the cones’ motion. Additionally, MCFS helps cool the drivers’ voice coil thus enhancing its power handling and dramatically reducing thermal compression.

The smoothly rounded UniCavity housing eliminates unwanted diffraction effects of high frequencies while providing an acoustically inert enclosure. Its three available colors (black, white, green) and shape are meant to allow the AC.17e to visually blend well in any setting. All AC models, are available with gold flashed 5-way binding posts (standard), an optional water-tight “pigtail” lead, or a marine grade, water-proof Conxall connector. Additionally, they may be ordered with a built-in 70V transformer and power selector switch for large scale or commercial installations, while remaining all-climate capable.