Canadian Security Magazine

Products Intrusion Detection
The Sound Acoustics C-540T for music and paging

The Sound Acoustics C-540T commercial tuner amplifier provides constant-voltage outputs for background music and voice paging. According to the vendor, its ultra low-noise, high-headroom circuitry provides crystal clear audio for the most demanding environments, and is designed to allow system expansion, easy installation and intuitive operation.

June 22, 2009
By Neil Sutton
Neil Sutton


The amp’s features include:
”¢    five multi-use inputs;
”¢    40W RMS output @ 25/70/100V & 4Ohm;
”¢    digital tuner with RS232 PC software control greater than 48 tuner per-sets;
”¢    colour-coded inputs and outputs;
”¢    front panel iPod, MP3 or computer input;
”¢    PRO-RVC input allowing up to six additional inputs (three mic and three line) on Cat5 with volume control;
”¢    High-headroom, low-noise mic/line pre-amplifiers;
”¢    individually switchable 24V phantom power (mic inputs);
”¢    telephone input with auto override and volume control;
”¢    removable front panel knobs (with security covers);
”¢    music on hold dual zone outputs (tuner/aux/MP3);
”¢    chime tone contacts with volume control;
”¢    pre-amp input/output;
”¢    removable terminal block connectors;
”¢    multiple override modes;
”¢    switchable HPF (high pass filters);
”¢    mic input and main outputs;
”¢    remote master volume control (via 10kohm potentiometer and PRO-RVC);
”¢    onboard compressor (to prevent distortion overload); and
”¢    cMETus approval E112876.

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