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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
acoustic and sound reinforcement equipment, namely, acoustic lenses for loudspeaker horns; analog and digital sound mixer units; cabinets and enclosures specially adapted for high fidelity audio equipment; active and passive audio dividing networks, consisting of audio input and output jacks and frequency modulators, namely, crossovers for use with all frequency ranges; electrical cable and connectors, electronic signal loudspeaker cabinets, all sold as a unit for speaker systems; drivers in the nature of audio speaker processors, sound equalizers, headphones, high frequency transducers that convert electrical impulses received at its voice coil to acoustic signals through its cone, stage monitor loudspeakers, side-fìll loudspeakers, home-theater loudspeakers, in-wall loudspeakers, loudspeakers, loudspeaker drivers, and loudspeaker folded horn enclosures, all sold as a unit; microphones; microphone attenuators; microphone carrying cases; microphone filters; electrical power supplies for microphones; microphone stands; microphone stand clamps and mounts; microphone switches; microphone transformers; microphone windscreens; coaxial and electrical cables and wires; accessories for sound mixers, namely, expander consoles, meter bridges, support stands, equipment racks, rack mount brackets, connecting and mounting brackets, and mounting rails, all for use with mixers; master faders; musical instrument amplifiers; powered loudspeakers; power sound amplifiers; passive radiators, namely, non-energized loudspeakers for stereo enclosures; pre-amplifiers; public address systems consisting of loudspeakers, amplifiers, audio mixers, and microphones, all sold as a unit; audio speakers; loudspeaker cabinets; speaker drivers, namely, loudspeaker transducers; speaker baffles sold as a component of loudspeakers; transducer energizers in the nature of power amplifiers for public addressing; stage monitor and side-fill loudspeaker enclosures; electrical transformers for use with loudspeakers; speaker volume controls for use with audio equipment