![]() ![]() The CST Driver built into the TAD-M1 boasts the unified acoustic center of the tweeter and midrange, ultra-wide- range reproduction of up to 100 kHz, and well-controlled directivity performance, and is the epitome of years of technical achievements and expertise we have accumulated in speaker design. The shallow-shaped, large-diameter midrange, made possible by the use of beryllium, offers bass reproduction down to as low as 250 Hz. Combined with an optimally shaped diaphragm and a finely-designed voice coil, the beryllium done tweeter provides a response as high as 100 kHz. The CST Driver has a tweeter done and midrange cone made of beryllium. Sound in a natural environment contains a harmonic overtone of an ultra-high frequency, which is known to enhance the fundamental tone in the audible band.Ī speaker diaphragm made of beryllium, which is the lightest and most rigid of metals and yet has high internal loss, is ideal for reproducing ultra-high frequency sound. ![]() For a speaker system to achieve natural-sounding reproduction, it must be able to reproduce sound from audio sources of the latest formats that cover frequency ranges well beyond the audible band of up to 20 kHz. The second engineering focus was to achieve the high-definition reproduction of sound. The coaxial CST Driver with a tweeter dome and a midrange cone enables the smooth, ultra-wide-range reproduction of sound from 250 Hz to 100 kHz and works like a single-source full-range speaker to offer uniform directional characteristics, both horizontally and vertically. This was made possible by the CST (Coherent Source Transducer) Driver we developed. To achieve natural sound dispersion, the sound directivity from each unit in a speaker system must be accurately controlled across the entire frequency range. Just as a drop of water makes perfect ripples across the water surface, the sound dispersion is about a flow of sound from the speaker dispersing continuously and naturally to fill the space. The first engineering focus was to achieve natural sound dispersion. Engineering attention was focused on achieving smooth dispersion and high definition of sound, which combine to deliver the rich, nuanced timbre and resonance of music as well as its spaciousness and lingering effects to the listener. The TAD-M1 was intended to reproduce sound in a natural and realistic manner and deliver high-dimensional sound imaging and sound-field immersion. The TAD-M1, the first TAD-branded speaker system for consumer use, was unveiled at the Consumer Electronics Show (CES) in the United States in 2002. ![]()
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