PIONEER TSD12D4 12” Dual 4 ohms Voice Coil Subwoofer (2000W Max)

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• 600 Watts Nominal Power
• Aramid Fiber Interlaced Injection Molded Polypropylene (IMPP) Cone Construction
• Butyl Rubber Surround for Strength and Linearity During High Excursion

Combining bass quality and bass quantity with high power, plus installation flexibility that provide high performance in both acoustic suspension (sealed) and bass reflex (ported) enclosures, the D subwoofer is the ultimate all-around performer BUTYL RUBBER SURROUND Made of a specially blended, highly durable and moisture-resistant compound, butyl rubber keeps the cone moving in a linear direction, seals the cone to the basket and quickly dampens cone vibration once the signal has changed or stopped

ARAMID FIBER INTERLACED INJECTION MOLDED POLYPROPYLENE (IMPP) Polypropylene (PP) is a tough thermoplastic resin that is an ideal material for a subwoofer cone – with low mass and high damping, PP cones offer good sensitivity and low distortion. However, polypropylene cones lack the rigidity and strength required for high output and extreme low bass. To resolve this, Pioneer engineers used advanced Computer-Aided Manufacturing to develop a process to blend aramid fibers into the polypropylene resin during the injection molding process. The resulting Aramid Fiber Interlaced IMPP subwoofer cone is incredibly strong and low mass with high rigidity

LARGE DIAMETER VOICE COIL AND DOUBLE STACKED MAGNETS A subwoofer motor structure consists of the voice coil and magnet assembly. Increasing the diameter and length of the voice coil provides greater control of the woofer cone and higher power handling. To take full advantage, however, the magnet must also be increased, both in magnetic power and physical size.

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