{"product_id":"rcf-l15p540-15-400w-woofer","title":"Rcf L15P540 15\" 400w Woofer","description":"\u003cp\u003eHigh power 15-in 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. 3-inch, fiberglass inside\/outside copper voice coil 1000W continuous program power handling 98 dB Sensitivity 40 Hz 2 kHz Frequency range Dual spider design with silicon based dampening control M-roll surround and exponential cone geometry * The excellent linear response, well controlled down to 40 Hertz, makes the L15P540 especially suitable for horn-loaded applications, band-pass enclousuresband small size bass reflex systems. * It is a very good solution for two or three way system when a very high BL and maximum punch is required. * 380 \/ 15 mm\/inch * Rated Impedance: 8 Ohms * Program Power: 1000 W AES * Power handling capacity: 500 W AES * Sensitivity: 98 dB * Frequency Range: 40 Hz to 2000 Hz * Effective Piston Diameter: 330 \/ 13 mm\/inch * Max Excursion Before Damage (peak to peak): 36 \/ 1.4 mm\/inch * Minimum Impedance: 6.8 O * Voice Coil Diameter: 76 \/ 3 mm\/inch * Voice Coil Material: Copper * Voice Coil Winding Depth: 18 \/ 0.7 mm\/inch * Number of layers: 2 * Kind of layer: inside \/ outside * Top Plate Thickness: 10 \/ 0.4 mm\/inch * Cone Material: No pressed pulp * Cone Design: Curved * Surround Material: Polycotton * Surround Design: M - roll * THIELE\/SMALL PARAMETERS * Resonance frequency: 50 Hz * DC resistance: 5.6O * Mechanical factor: 9.7 * Electrical factor: 0.41 * Total factor: 0.39 * BL Factor: 21.4 T - m * Effective Moving Mass: 106 g * Equivalent Cas air load: 100 liters * Effettive piston area: 0.085 m-Squared * Max. linear excursion (mathematical): 6.5 mm * Voice - coil inductance @ 1kHz: 1.5 mH * Half-space efficiency: 2.94% * MOUNTING INFORMATION * Overall Diameter: 387 \/ 15.2 mm\/inch * Bolt Circle Diameter: 371 \/ 14.6 mm\/inch * Bolt Hole Diameter: 6.5 \/ 0.3 mm\/inch * Front Mount Baffle Cut-out: 352 \/ 13.9 mm\/inch * Rear Mount Baffle Cut-out: 360 \/ 14.1 mm\/inch * Depth: 163 \/ 6.4 mm\/inch * Volume occupied by the driver: 3.8 \/ 0.13 liters\/ft Cubed * Net Weight: 9.5 \/ 20.9 kg\/lbs * SHIPPING INFORMATION * Shipping weight: 10 \/ 22.0 kg\/lbs\u003c\/p\u003e","brand":"shops.owalacup.shop","offers":[{"title":"Default Title","offer_id":48002291335346,"sku":"shops.owalacup.shop407000","price":83.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/3865\/3362\/files\/99916445-50EC-71A1-FC76-8A3AD4EC333F.webp?v=1788752340","url":"https:\/\/shops.owalacup.shop\/products\/rcf-l15p540-15-400w-woofer","provider":"マイストア","version":"1.0","type":"link"}