Vintage University Diffusicone-15 15" 2-Way Diffaxial Speaker Driver TESTED For Sale

Up for sale is an authentic, highly prized vintage 1950s/1960s University Loudspeakers "Diffusicone-Fifteen" 15-inch 2-Way Diffaxial loudspeaker driver in classic green hammertone finish.

Manufactured by University Loudspeakers / University Sound in White Plains, New York, USA. Features University's patented mechanical 2-way Diffusicone sound-diffraction aperture ring, duralumin center dome radiator with embossed "U" emblem, massive Alnico magnet structure enclosed in a champagne-gold bell cover, and heavy cast chassis.

• Brand / Manufacturer: University Loudspeakers (White Plains, NY, USA)
• Model: Diffusicone-Fifteen (Diffusicone-15 / 2-Way Diffaxial Speaker System)
• Power Handling: 30 Watts
• Impedance: 8 - 16 Ohms
• Nominal Diameter: 15 Inches (measures approx. 15.25" outer frame diameter)
• Depth: Approx. 7.5 Inches
• Cone Stamping: 63B44
• High-Frequency Radiator: Integrated mechanical Diffusicone radial diffraction element with duralumin dome
• Low-Frequency Radiator: 15" heavy paper pulp cone with treated accordion surround and segmented cork mounting gasket
• Terminals: Original nickel-plated spring-loaded push binding posts
• Finish: Vintage green hammertone cast frame with champagne/gold magnet cover
• Quantity: 1 Single Driver

• Functionality: Fully tested with an analog multimeter—the voice coil circuit is intact, continuous, and responsive!
• Cone & Diffusicone Dome: The original paper cone is structurally intact with no tears, rips, or holes. The center duralumin dome and perforated mechanical crossover ring are clean and undamaged. Accordion surround is solid.
• Cosmetics: Good vintage condition with authentic patina. A little dusty/dirty from storage as shown; light age-appropriate surface marks and dust on the basket and cork gasket. Overall well-preserved. Sold as-is as pictured.

Please review all close-up photos for exact physical condition.