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Audio amplifier
max. 325 W BARTEC

The VA300+ amplifier is designed to provide reliable efficient service in critical life dependant alarm and voice broadcast applications (PAGA). The unit is based upon a compact industry standard size Euro card module designed to plug in/out of a 6U high card frame (see data sheets DS0003). The VA300+ incorporates an integral supervisory package, which silently and automatically monitors amplifier and the associated loudspeaker line insulation with respect to earth. The VA300+ fascia carries a detailed LED diagnostic display, inducing ten digit line output meter and robust alloy handle to facilitate rapid withdrawal of the complete assembly and exchange with absolute minimum of down time. Surface mount manufacturing ensures consistent performance, obviates troublesome wiring looms, multiple printed circuit cards and shrinks the entire power amplifier module/supervisory to a single multi function micro adaptive motherboard. Unique Vari-mode© (patent pending) output stage configuration eliminates the EMC emissions and critical loading requirements associated with pure Class D amplification, whilst maintaining extremely high efficiencies during emergency broadcast request.
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