Earthquake Sound Voice Coil Magazine

Voice Coil Magazine cites EQ chief engineer Joseph Sahyoun as speaker guru and highlights the new US Patent 9.294.841 B2 in this following section: “What if we could move more air (“pumping power” or volume velocity) without more piston area or increased excursion? A recent (US Patent 9.294.841 B2) innovation by speaker guru Joseph Sahyoun […]

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