The Diamond Revolution released in 2009 by Usher Audio. Usher Audios demo promo CD used at demonstrations of Usher speakers with diamond tweeters.
Usher Audio Established in 1972 in central Taiwan. Today, at its newly completed factory in Taichung, USHER continues to develop and manufacture audio amplifiers and loudspeakers of cutting edge design, to its exacting high standards.
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- LabelUsher Audio
- Release date2009
- FormatFlac 16bit/44.1kHz