{"product_id":"rcf-lf18x451-18-power-1800w-rms-3600w-prog-sensitivity-97-freq-range-30-1000-hz","title":"RCF LF18X451 18\" Power: 1800W rms, 3600W prog. Sensitivity: 97 Freq. Range 30-1000 Hz","description":"\u003ch2\u003eRCF LF18X451 18\" Power: 1800W rms, 3600W prog. Sensitivity: 97 Freq. Range 30-1000 Hz\u003c\/h2\u003e\n\u003cp\u003eIncredibly linear frequency response characteristics, the highest power handling of any comparable 18-inch transducer, the lowest power compression. The LF18X451 features a fibre loaded cone assembly along with a high excursion triple roll, constant geometry surround: this combination provides remarkable strength and a peak to peak maximum excursion of 54 mm. The new dual forced hyper-venting system guarantee a very efficient voice coil ventilation for minimum power compression and incredible power handling. A double silicon spider system ensures excellent control during large excursions. A fully optimised T-pole design generate the minimum amount of flux modulation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4,5 - inch fiberglas Inside\/Outside copper voice coil\u003c\/li\u003e\n\u003cli\u003e3600 Watt continuous program power handling\u003c\/li\u003e\n\u003cli\u003e97 dB Sensitivity\u003c\/li\u003e\n\u003cli\u003e30 Hz - 1 kHz Frequency range\u003c\/li\u003e\n\u003cli\u003eDual Forced Hyperventing System\u003c\/li\u003e\n\u003cli\u003eDual spider designed with silicon based damping control\u003c\/li\u003e\n\u003cli\u003eBL of 30.5 Txm to provide a faster and accurate low frequency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNominal Diameter: 18 inch \/ 457 mm\u003c\/li\u003e\n\u003cli\u003eRated Impedance: 8 ohm\u003c\/li\u003e\n\u003cli\u003eProgram Power: 3600 W\u003c\/li\u003e\n\u003cli\u003ePower Handling Capacity: 1800 W\u003c\/li\u003e\n\u003cli\u003eSensitivity: 97.0 dB\u003c\/li\u003e\n\u003cli\u003eFrequency Range: 30–1000 Hz\u003c\/li\u003e\n\u003cli\u003eEffective Piston Diameter: 395 mm \/ 15.55 inch\u003c\/li\u003e\n\u003cli\u003eMax. Excursion Before Damage: 54 mm \/ 2.13 inch\u003c\/li\u003e\n\u003cli\u003eMinimum Impedance: 6.8 ohm\u003c\/li\u003e\n\u003cli\u003eVoice Coil Diameter: 4.5 inch \/ 114 mm\u003c\/li\u003e\n\u003cli\u003eVoice Coil Winding Material: Copper\u003c\/li\u003e\n\u003cli\u003eVoice Coil Length: 34 mm \/ 1.34 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: 15 mm \/ 0.59 inch\u003c\/li\u003e\n\u003cli\u003eCone Design: Straight\u003c\/li\u003e\n\u003cli\u003eSurround Material: Polycotton\u003c\/li\u003e\n\u003cli\u003eSurround Design: Triple Roll\u003c\/li\u003e\n\u003cli\u003eMagnets: Ceramic\u003c\/li\u003e\n\u003cli\u003eDual-Force Air Ventilation: Yes\u003c\/li\u003e\n\u003cli\u003eSpider: 03\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThiele–Small Parameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eResonance Frequency (Fs): 30 Hz\u003c\/li\u003e\n\u003cli\u003eDC Resistance (Re): 5.40 ohm\u003c\/li\u003e\n\u003cli\u003eMechanical Factor (Qms): 6.70\u003c\/li\u003e\n\u003cli\u003eElectrical Factor (Qes): 0.29\u003c\/li\u003e\n\u003cli\u003eTotal Factor (Qts): 0.28\u003c\/li\u003e\n\u003cli\u003eBL Factor (Bl): 30.50 T × m\u003c\/li\u003e\n\u003cli\u003eEffective Moving Mass (Mms): 260.0 g\u003c\/li\u003e\n\u003cli\u003eEquivalent Cas Air Loaded (Vas): 220.0 liters\u003c\/li\u003e\n\u003cli\u003eEffective Piston Area (Sd): 0.120 m²\u003c\/li\u003e\n\u003cli\u003eMax. Linear Excursion (Xmax): 14 mm\u003c\/li\u003e\n\u003cli\u003eVoice Coil Inductance @ 1 kHz (Le1k): 1.38 mH\u003c\/li\u003e\n\u003cli\u003eHalf-Space Efficiency (Eff): 1.90%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOverall Diameter: 465 mm \/ 18.31 inches\u003c\/li\u003e\n\u003cli\u003eBolt Circle Diameter: 442–447 mm \/ 17.4–17.6 inch\u003c\/li\u003e\n\u003cli\u003eBolt Hole Diameter: 7 mm \/ 0.28 inch\u003c\/li\u003e\n\u003cli\u003eFront Mount Baffle Cut-Out: 424 mm \/ 16.69 inch\u003c\/li\u003e\n\u003cli\u003eRear Mount Baffle Cut-Out: 424 mm \/ 16.69 inch\u003c\/li\u003e\n\u003cli\u003eVolume Occupied by the Driver: 6.5 liters \/ 0.26 ft³\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStandard Compliance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSafety Agency: CE Compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSize \u0026amp; Weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeight: 212 mm \/ 8.35 inches\u003c\/li\u003e\n\u003cli\u003eDiameter: 465 mm \/ 18.31 inches\u003c\/li\u003e\n\u003cli\u003eWeight: 15.2 kg \/ 33.51 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePackage Height: 254 mm \/ 10 inches\u003c\/li\u003e\n\u003cli\u003ePackage Width: 524 mm \/ 20.63 inches\u003c\/li\u003e\n\u003cli\u003ePackage Depth: 494 mm \/ 19.45 inches\u003c\/li\u003e\n\u003cli\u003ePackage Weight: 17 kg \/ 37.48 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RCF","offers":[{"title":"Default Title","offer_id":48653404963010,"sku":"LF18X451","price":1039.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/2631\/5568\/files\/LF18X451-1.jpg?v=1787598068","url":"https:\/\/shop.solotech.com\/products\/rcf-lf18x451-18-power-1800w-rms-3600w-prog-sensitivity-97-freq-range-30-1000-hz","provider":"Solotech","version":"1.0","type":"link"}