About the Tannoy CMS 603ICT LS 6" Full Range Ceiling Loudspeaker with ICT Driver for Life Safety Installation Applications (Blind Mount)
The Tannoy CMS 603ICT LS is a specialized 6-inch full-range ceiling loudspeaker engineered and certified for life safety and voice alarm applications in commercial and public buildings. Designed for blind (flush) mounting, this loudspeaker incorporates Tannoy's Intelligent Coupled Technology (ICT), which features a dual-concentric driver design for coherent point-source output with exceptional clarity and uniform dispersion. Its primary function is to deliver intelligible speech and alarm tones in accordance with stringent international safety standards such as EN 54-24, making it a critical component in integrated public address and emergency evacuation systems. The loudspeaker's low-profile, paintable grille allows for discreet installation that blends into the ceiling, maintaining aesthetics while ensuring that life-critical audio is broadcast with authority and reliability throughout the designated area.
The ICT driver configuration places a high-frequency compression driver at the acoustic center of a 6-inch woofer, ensuring precise time alignment and minimizing phase distortion. This is vital for speech intelligibility in emergency situations, as it guarantees that instructions remain clear and understandable even in reverberant or noisy environments. The loudspeaker is built for high power handling and efficiency, operating on standard 100V/70V constant-voltage lines with multiple power tap settings. This allows system designers to precisely calibrate the output level for even coverage across different zones, ensuring compliance with sound pressure level requirements mandated by life safety codes. The built-in transformer and robust construction are designed for fail-safe operation and long-term reliability in 24/7 standby duty.
Constructed with flame-retardant materials and rigorous quality controls, the CMS 603ICT LS is built to perform reliably in the event of an emergency. Its design includes features for easy integration by installers, such as clear terminal markings and secure mounting hardware. For consultants, specifiers, and installers designing certified life safety sound systems in airports, shopping malls, hospitals, offices, and educational facilities, this Tannoy loudspeaker represents a trusted, high-performance solution. It combines the acoustic precision necessary for clear communication with the compliance and construction standards essential for life safety, ensuring that emergency announcements are delivered with the utmost clarity and reliability.