{"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 Spring Diameter: 76 \/ 3 mm\/inch  * Voice Spring Material: Copper  * Voice Spring 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.gcishopsh.shop","offers":[{"title":"Default Title","offer_id":47502094172316,"sku":"shops.gcishopsh.shop791083","price":83.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/0343\/4908\/files\/99916445-50EC-71A1-FC76-8A3AD4EC333F.webp?v=1788254940","url":"https:\/\/shops.gcishopsh.shop\/products\/rcf-l15p540-15-400w-woofer","provider":"マイストア","version":"1.0","type":"link"}