{"product_id":"rcf-l15p540-woofer","title":"RCF L15P540 Woofer","description":"\u003cp\u003eHigh power 15\" woofer. \u003cbr\u003e\n \u003cbr\u003e\nVery good power handling, excellent linearity and very low distortion. Very efficient heat dissipation in ensured by a radiator that is part of the basket design. The air is forced in the radiator thanks to a dual sealed spider design.\u003cbr\u003e\n \u003cbr\u003e\nFeatures\u003c\/p\u003e\n\n\u003cp\u003e• 3-inch, fiberglass inside\/outside copper voice coil\u003cbr\u003e\n• 1000W continuous program power handling\u003cbr\u003e\n• 98 dB Sensitivity\u003cbr\u003e\n• 40 Hz – 2 kHz Frequency range\u003cbr\u003e\n• Dual spider design with silicon based dampening control\u003cbr\u003e\n• M-roll surround and exponential cone geometry\u003c\/p\u003e\n\n\u003cp\u003eSpecifications\u003c\/p\u003e\n\n\u003cp\u003e• Nominal Diameter: 380 \/ 15 mm\/inch\u003cbr\u003e\n• Rated Impedance: 8 Ω\u003cbr\u003e\n• Program Power: 1000 W AES\u003cbr\u003e\n• Power handling capacity: 500 W AES\u003cbr\u003e\n• Sensitivity: 98 dB\u003cbr\u003e\n• Frequency Range: 40 Hz ÷ 2000 Hz\u003cbr\u003e\n• Effective Piston Diameter: 330 \/ 13 mm\/inch\u003cbr\u003e\n• Max Excursion Before Damage (peak to peak): 36 \/ 1.4 mm\/inch\u003cbr\u003e\n• Minimum Impedance: 6.8 Ω\u003cbr\u003e\n• Voice Coil Diameter: 76 \/ 3 mm\/inch\u003cbr\u003e\n• Voice Coil Material: Copper\u003cbr\u003e\n• Voice Coil Winding Depth: 18 \/ 0.7 mm\/inch\u003cbr\u003e\n• Number of layers: 2\u003cbr\u003e\n• Kind of layer: inside \/ outside\u003cbr\u003e\n• Top Plate Thickness: 10 \/ 0.4 mm\/inch\u003cbr\u003e\n• Cone Material: No pressed pulp\u003cbr\u003e\n• Cone Design: Curved\u003cbr\u003e\n• Surround Material: Polycotton\u003cbr\u003e\n• Surround Design: M - roll\u003cbr\u003e\n• Resonance frequency: 50 Hz\u003cbr\u003e\n• DC resistance: 5.6Ω\u003cbr\u003e\n• Mechanical factor: 9.7\u003cbr\u003e\n• Electrical factor: 0.41\u003cbr\u003e\n• Total factor: 0.39\u003cbr\u003e\n• BL Factor: 21.4 T · m\u003cbr\u003e\n• Effective Moving Mass: 106 g\u003cbr\u003e\n• Equivalent Cas air load: 100 liters\u003cbr\u003e\n• Effettive piston area: 0.085 m²\u003cbr\u003e\n• Max. linear excursion (mathematical): 6.5 mm\u003cbr\u003e\n• Voice - coil inductance @ 1kHz: 1.5 mH\u003cbr\u003e\n• Half-space efficiency: 2.94%\u003cbr\u003e\n• Overall Diameter: 387 \/ 15.2 mm\/inch\u003cbr\u003e\n• Bolt Circle Diameter: 371 \/ 14.6 mm\/inch\u003cbr\u003e\n• Bolt Hole Diameter: 6.5 \/ 0.3 mm\/inch\u003cbr\u003e\n• Front Mount Baffle Cut-out: 352 \/ 13.9 mm\/inch\u003cbr\u003e\n• Rear Mount Baffle Cut-out: 360 \/ 14.1 mm\/inch\u003cbr\u003e\n• Depth: 163 \/ 6.4 mm\/inch\u003cbr\u003e\n• Volume occupied by the driver: 3.8 \/ 0.13 liters\/ft³\u003cbr\u003e\n• Net Weight: 9.5 \/ 20.9 kg\/lbs\u003c\/p\u003e","brand":"RCF","offers":[{"title":"Default Title","offer_id":58451992969480,"sku":"L15P540","price":216.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1057\/4076\/3400\/files\/img_proxy_dad0e2fa-9391-4973-b5fa-f1b69c6487fb.jpg?v=1786934087","url":"https:\/\/musictoner.shop\/products\/rcf-l15p540-woofer","provider":"Musictoner","version":"1.0","type":"link"}