QUALITY AND TONE IN VOICE AND MUSIC COLOUR. DEPTH. BRILLIANCE. Materials enrich or undermine timbre, that essential quality of sound that adds depth, complexity, and richness. The accuracy and realism of a live performance. The emotion contained in song and sound. R&D invests a lot of time selecting and testing materials for a given application and a desired outcome. It makes the difference between what is good enough and the best in a finished driver.
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