{"product_id":"rcf-l15p540-15-low-frequency-high-power-woofer","title":"RCF L15P540 15 Low Frequency High Power Woofer","description":"\u003ch1\u003e\u003cstrong\u003e\u003cem\u003eOverview\u003c\/em\u003e\u003c\/strong\u003e\u003c\/h1\u003e\u003cp\u003eHigh power 15\" woofer. Very 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.\u003cstrong\u003e\u003cem\u003e\u003cbr\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003ch1\u003e\u003cstrong\u003e\u003cem\u003eFeatures\u003c\/em\u003e\u003c\/strong\u003e\u003c\/h1\u003e\u003cul class=\"mb-5 px-0\" style=\"margin-bottom: var(--spacer-5) !important; padding: 0px 0px 0px 18px !important;\"\u003e\n\u003cli\u003e3-inch, fiberglass inside\/outside copper voice coil\u003c\/li\u003e\n\u003cli\u003e1000W continuous program power handling\u003c\/li\u003e\n\u003cli\u003e98 dB Sensitivity\u003c\/li\u003e\n\u003cli\u003e40 Hz – 2 kHz Frequency range\u003c\/li\u003e\n\u003cli\u003eDual spider design with silicon based dampening control\u003c\/li\u003e\n\u003cli\u003eM-roll surround and exponential cone geometry\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e\u003cem\u003e\u003cbr\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003ch1\u003e\u003cstrong\u003e\u003cem\u003eSpecifications\u003c\/em\u003e\u003c\/strong\u003e\u003c\/h1\u003e\u003cp\u003e\u003cstrong\u003eGeneral Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNominal Diameter: 15 inches\/381 mm\u003c\/li\u003e\n\u003cli\u003eRated Impedance: 8 ohm\u003c\/li\u003e\n\u003cli\u003ePower handling capacity: 500 W\u003c\/li\u003e\n\u003cli\u003eFrequency Range: 40 - 20,000 Hz\u003c\/li\u003e\n\u003cli\u003eEffective piston diameter: 330 mm\/12.99 inch\u003c\/li\u003e\n\u003cli\u003eMax. Excursion Before Damage: 36 mm\/1.42 inch\u003c\/li\u003e\n\u003cli\u003eMinimum Impedance (ohm): 6.8 ohm\u003c\/li\u003e\n\u003cli\u003eVoice Coil Diameter: 3.0 inch\/76 mm\u003c\/li\u003e\n\u003cli\u003eVoice Coil Winding Material: Copper\u003c\/li\u003e\n\u003cli\u003eVoice Coil Length: 18 mm\/0.71 inch\u003c\/li\u003e\n\u003cli\u003eNumber of layers: 2\u003c\/li\u003e\n\u003cli\u003eKind of layers: inside\/outside\u003c\/li\u003e\n\u003cli\u003eTop Plate Thickness: 10 mm\/0.39 inch\u003c\/li\u003e\n\u003cli\u003eCone Design: Curved\u003c\/li\u003e\n\u003cli\u003eSurround Material: Polycotton\u003c\/li\u003e\n\u003cli\u003eSurround Design: M-roll\u003c\/li\u003e\n\u003cli\u003eMagnets: Ceramic\u003c\/li\u003e\n\u003cli\u003eSpider: Dual with silicon based damping control\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cp\u003e\u003cstrong\u003eThiele - Small Parameters\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eResonance frequency (Fs): 50 Hz\u003c\/li\u003e\n\u003cli\u003eDC resistance (Re) (ohm): 5.60 ohm\u003c\/li\u003e\n\u003cli\u003eMechanical factor: 9.70 Qms\u003c\/li\u003e\n\u003cli\u003eElectrical factor: 0.41 Qes\u003c\/li\u003e\n\u003cli\u003eTotal factor: 0.39 Qts\u003c\/li\u003e\n\u003cli\u003eBI factor (BI) (T x m): 21.40 T x m\u003c\/li\u003e\n\u003cli\u003eEffective moving mass (Mms): 106.0 g\u003c\/li\u003e\n\u003cli\u003eEquivalent Cas air loaded (Vas): 100.0 liters\u003c\/li\u003e\n\u003cli\u003eEffective piston area (Sd): 0.090 m2\u003c\/li\u003e\n\u003cli\u003eMax. linear excursion (Xmax): 7 mm\u003c\/li\u003e\n\u003cli\u003eVoice coil inductance @ 1kHz (Le1k): 1.50 mH\u003c\/li\u003e\n\u003cli\u003eHalf-space efficiency (Eff): 2.94%\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMounting Information\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOverall diameter: 15.24 inch\/387 mm\u003c\/li\u003e\n\u003cli\u003eBolt circle diameter: 14.61 inch\/371 mm\u003c\/li\u003e\n\u003cli\u003eBolt hole diameter: 0.28 inch\/7 mm\u003c\/li\u003e\n\u003cli\u003eFront mount baffle cut-out: 13.86 inch\/352 mm\u003c\/li\u003e\n\u003cli\u003eRear mount baffle cut-out: 14.17 inch\/360 mm\u003c\/li\u003e\n\u003cli\u003eVolume occupied by the friver: 0.15 ft3\/3.8 liters\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeight: 7.24 inch\/184 mm\u003c\/li\u003e\n\u003cli\u003eDiameter: 15.24 inch\/387 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 19.4 lbs\/8.8 kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eShipping Information\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePackage Height: 8.86 inch\/225 mm\u003c\/li\u003e\n\u003cli\u003ePackage Width: 17.13 inch\/435 mm\u003c\/li\u003e\n\u003cli\u003ePackage Depth: 17.13 inch\/435 mm\u003c\/li\u003e\n\u003cli\u003ePackage Weight: 22.49 lb\/10.2 kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch1\u003e\u003cstrong\u003e\u003cem\u003eWhat's in the Box? \u003c\/em\u003e\u003c\/strong\u003e\u003c\/h1\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e(1) RCF L15P540 Standalone Woofer\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e","brand":"RCF","offers":[{"title":"Default Title","offer_id":52862843617391,"sku":"L15P540-SHOP","price":349.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/5229\/5535\/files\/1828806.png?v=1774750502","url":"https:\/\/digitaldjgear.com\/products\/rcf-l15p540-15-low-frequency-high-power-woofer","provider":"Digital DJ Gear","version":"1.0","type":"link"}