Rolling Crystal Cone (Color : White Crystal Cone, Amethyst Cone (purple crystal), Citrine Cone (yellow crystal))
Feature : - Natural crystal is the most sensitive material, - Good for high frequency, ultra high frequency extension. - Improve the sound quality - Reduce digital noise - Rosewood can enhance the texture of the instrument - Spring can enhance Powerful Bass
White Crystal cone : suitable for CD、Preamplifier & Amplifier、 bookshelf speakers, Amethyst cone : used for Power Conditioner、Power distributor and big system Speaker Citrine cone : is for any digital equipment and top vacuum tube amplifier
Spring : 40Lbs, 70 Lbs, 100 Lbs, 140Lbs
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