US Patent Issued to Harman Professional on June 16 for "Dual compression driver with single magnet" (California Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,659,667, issued on June 16, was assigned to Harman Professional Inc. (Northridge, Calif.).

"Dual compression driver with single magnet" was invented by Alexander Voishvillo (Simi Valley, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dual compression driver includes a first driver assembly having a first annular diaphragm disposed about a central axis and a first phasing plug disposed coaxially below the first annular diaphragm with a first plurality of apertures extending therethrough, and a second driver assembly having a second annular diaphragm disposed about the central axis and a second phasing plug disposed coaxially above the second ann...