Technomad's PowerChiton Amplifier Modules and Berlin loudspeakers

Technomad PowerChiton high-power waterproof amplifier modules drive live and pre-recorded messages to the loudspeakers for campus-wide broadcast. The project also marries all indoor/outdoor PA points and associated pan/tilt/zoom cameras to an existing Edwards EST-3 campus-wide fire alarm system, programmed and upgraded by Performance System Integration, an Edwards EST Life Safety and Communications Strategic Partner.

The complete system ties to a central network infrastructure, enabling administration, campus police and other offices to deliver voice notifications to any single location, multiple zones, or every PA point in an “all-call” scenario.

Cory Kovacevich, a service and project manager at Mills Electric Co., notes that the Technomad loudspeakers produce intelligible voice over long distances, ensuring that students, staff and visitors hear emergency notifications loud and clear. Each gathering area includes two Technomad Berlin 90x40 loudspeakers, mounted between 20 and 90 feet from the ground depending on the location. Weatherproof construction ensures long-term durability and protection from the outdoor elements in rainy northwest Washington.

Kovacevich adds that the PowerChiton modules deliver 500 watts of clean power to each Berlin loudspeaker in a simple, easy-to-install package. Though IP66-rated and designed for permanent outdoor installation, Kovacevich installed the PowerChitons indoors at the central audio headend for easier accessibility.

“The PowerChitons come in small, non-metallic enclosures and take up minimal space, which is important because we have limited room to add equipment,” says Kovacevich. “The PowerChitons tie directly to the fire alarm system, and are mounted next to the fire alarm panels. This keeps everything but the loudspeakers and cameras in one building.”

Kovacevich notes that the overall system represents a major upgrade for the campus, enabling text-to-speech translation and remote access to make announcements over the system from off campus — in addition to video integration, multi-zone capability and superior audio quality.

“The Berlins put out some serious sound,” says Kovacevich. “We had recently broadcast a test message from the rooftop and saw people more than 100 yards away stop, turn around and look directly toward the loudspeakers. The university is very happy with the power, sound quality and clarity of the voice.”

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